Cement Network Data: Statistics of Cement and Clinker Inventory in China and Six Regions (12.26)

2025-12-29 14:18:43

Cement and Clinker Inventory Statistics shows the inventory situation of cement and clinker in the whole country and regions on December 26. The national storage of clinker was 62.17%, representing a year-on-year increase of 3.46 percentage points and a month-on-month decrease of 1.26 percentage points; the national storage of cement was 62.66%, representing a year-on-year increase of 1.23 percentage points and a month-on-month decrease of 0.59 percentage points. Among them, the year-on-year change of clinker in Northeast China is obvious, which is 40.00 percentage points; the month-on-month change of clinker in Northeast China and Northwest China is slight, which is 0.00 percentage points.

On December 26,

the national clinker inventory was 62.17%, representing a year-on-year increase of 3.46 percentage points and a month-on-month decrease of 1.26 percentage points; the cement inventory was 62.66%, representing a year-on-year increase of 1.23 percentage points and a month-on-month decrease of 0.59 percentage points. In terms of regions, the highest clinker inventory was 72.50% in Northeast China, and the lowest was 57.00% in Southwest China; the highest cement inventory was 67.92% in Central South China, and the lowest was 55.50% in Southwest China. Compared with the same period last year, 4 regions of clinker increased and 3 regions decreased; 3 regions of cement increased and 4 regions decreased. More data, market analysis and research reports can be found in cement big data (https://data.ccement.com/).

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Cement and Clinker Inventory Statistics shows the inventory situation of cement and clinker in the whole country and regions on March 20. On the whole, the national inventory of clinker is a certain proportion, with the year-on-year inventory increasing and decreasing, and the month-on-month inventory decreasing in some regions; the national inventory of cement is also at a certain level, with different changes on year-on-year and month-on-month basis. Among them, the year-on-year change of clinker storage in Northeast China is 30 percentage points, and the year-on-year change of cement storage in North China is 1.75 percentage points; the year-on-year change of cement storage in Northwest China is 17.50 percentage points, and the year-on-year change of cement storage in Northeast China is 1.67 percentage points.

2026-03-23 10:14:17

From March 9, 2026 to March 15, 2026, Anhui Province has the highest rate of opening cement kilns, with the rate of 57.89%. Kiln opening rate of 50% and above: 50.00% in Hainan Province.

2026-03-20 10:06:02

The Inventory Statistics of Cement and Clinker shows the inventory of cement and clinker in the whole country and regions on March 13. From the overall data, the national clinker inventory is 56.25%, and the national cement inventory is 56.59%. Clinker northeast region and cement northwest region have obvious changes in the same period, and the change range is relatively large; clinker east region and cement east region have relatively insignificant changes in the same period. In terms of ring-to-ring storage location, the decline in the northwest region of clinker and the northwest region of cement is relatively large, and there is no change in ring-to-ring storage location in some regions.

2026-03-16 09:47:15

From March 2, 2026 to March 8, 2026, Anhui Province has the highest rate of opening cement kilns, with the rate of 57.33%. Kiln opening rate of 50% and above: 54.76% in Hainan Province.

2026-03-13 10:01:01

This is a cement and clinker inventory statistics, covering the inventory situation of the whole country and all regions on March 06, as well as the changes in the year-on-year and month-on-month storage locations. On the whole, clinker and cement have different performances in the national and regional inventory. In terms of clinker, the storage location in Northeast China has a large change of 45.00 percentage points, while that in East China has a small change of 0.83 percentage points. In terms of cement, the storage location in the northwest region has a larger change of 21.00 percentage points compared with the same period last year, and the storage location in the east region has a smaller change of 3.21 percentage points. On a month-on-month basis, there was no significant change in most regional storage locations.

2026-03-09 09:02:51

From February 23, 2026 to March 1, 2026, Anhui Province has the highest rate of opening cement kilns, with the rate of 51.88%.

2026-03-06 10:01:01

Cement and Clinker Inventory Statistics shows the inventory situation of cement and clinker in the whole country and regions on February 27. On the whole, there are differences in regional inventory. In terms of clinker, the year-on-year change of storage location in Northeast China is more obvious, reaching 45 percentage points; the year-on-year change of storage location in East China is relatively small, reaching 0.42 percentage points. In terms of cement, the storage location in Northwest China changed significantly by 21 percentage points compared with the same period last year, while the storage location in Central and South China changed slightly by -3.33 percentage points. There was no change in the storage location of ring ratio.

2026-03-02 09:58:23

From February 16, 2026 to February 22, 2026, Anhui Province has the highest rate of opening cement kilns, with the rate of 53.38%.

2026-02-27 10:01:01

From February 9, 2026 to February 15, 2026, Anhui Province has the highest rate of opening cement kilns, with the rate of 67.86%. Kiln opening rate of 50% and above: 65.52% in Zhejiang Province and 52.38% in Hainan Province.

2026-02-20 10:01:01

From February 2, 2026 to February 8, 2026, Anhui Province has the highest rate of opening cement kilns, with the rate of 73.31%. The kiln opening rate of 50% and above is 71.43% in Hainan Province, 66.01% in Zhejiang Province, 64.74% in Hubei Province and 58.62% in Jiangsu Province.

2026-02-13 10:01:01

The title is "Cement and Clinker Inventory Statistics". On the whole, it covers the inventory proportion of clinker and cement in the whole country and regions on February 06, as well as the change data of year-on-year and month-on-month storage locations. Among them, the year-on-year change of clinker storage location in Northeast China is more significant, reaching 45 percentage points; the change of clinker storage location in North China, Central South, Southwest and Northwest China is smaller, reaching 0 percentage points. The month-on-month storage location of cement in East China has a large change of -5.71 percentage points; the month-on-month storage location of cement in North China, Northeast, Central South, Southwest and Northwest has a small change of 0 percentage point.

2026-02-09 09:21:48

From January 26, 2026 to February 1, 2026, Anhui Province has the highest rate of opening cement kilns, with the rate of 75.19%. The kiln opening rate of 50% and above is 66.67% in Hainan Province, 65.35% in Hubei Province, 61.58% in Jiangsu Province, 53.28% in Fujian Province and 52.89% in Yunnan Province.

2026-02-06 10:01:02

The Inventory Statistics of Cement and Clinker shows the inventory situation of clinker and cement in the whole country and all regions on January 30, as well as the changes of storage positions on a year-on-year and month-on-month basis. On the whole, the inventory of each region has changed to varying degrees. In terms of clinker, the year-on-year change of storage location in Northeast China was more significant, reaching 45.00 percentage points; the month-on-month change of storage location in North China was more stable, reaching 0.00 percentage points. In terms of cement, the storage position in East China changed by 14.29 percentage points compared with the same period last year, while the storage position in North China, Northeast China, Central South China, Southwest China and Northwest China changed by 0.00 percentage points.

2026-02-02 11:09:01

From January 19, 2026 to January 25, 2026, Anhui Province has the highest rate of opening cement kilns, with the rate of 73.65%. 73.33% in Hubei Province, 66.67% in Hainan Province, 65.02% in Jiangsu Province, 61.22% in Hunan Province, 55.60% in Fujian Province and 53.23% in Yunnan Province.

2026-01-30 10:01:01

Cement and clinker inventory statistics show the inventory situation of the whole country and regions on January 23. On the whole, clinker and cement have different proportions of inventory in different regions, and there are differences in year-on-year and ring-to-ring storage locations. Among them, the year-on-year change of clinker storage location in Northeast China is more significant, reaching 45 percentage points, while the change of clinker and cement storage location in North China, Northeast China, Southwest China and Northwest China is relatively stable, reaching 0 percentage points. The ring-to-ring storage location of cement in the central and southern regions has changed greatly, which is -11.25 percentage points.

2026-01-26 10:19:52

From January 12, 2026 to January 18, 2026, Anhui Province has the highest rate of opening cement kilns, with the rate of 72.73%. Kiln opening rate of 50% and above: 67.64% in Hunan Province, 67.26% in Hubei Province, 66.67% in Hainan Province, 63.05% in Jiangsu Province and 52.89% in Yunnan Province.

2026-01-23 10:01:01

The following is a description of the requirements: The Inventory Statistics of Cement and Clinker shows the inventory of cement and clinker in the whole country and regions on January 16. Overall, the national inventory of clinker was 63.00%, 5.67 percentage points on a year-on-year basis, and -0.08 percentage points on a month-on-month basis; the national inventory of cement was 62.65%, 3.69 percentage points on a year-on-year basis, and 0 percentage points on a month-on-month basis. Among them, the year-on-year storage location of clinker in Northeast China changed significantly, reaching 45.00 percentage points; the month-on-month storage location of clinker in North China changed slightly, reaching 0.00 percentage points.

2026-01-19 11:35:08

From January 5, 2026 to January 11, 2026, Anhui Province has the highest rate of opening cement kilns, with the rate of 72.73%. Kiln opening rate of 50% and above: 62.97% in Hunan Province, 60.68% in Hubei Province, 57.14% in Hainan Province and 54.19% in Jiangsu Province.

2026-01-16 10:01:02

This is the inventory statistics of cement and clinker on January 09. The data cover the whole country and all regions, including the proportion of inventory, the year-on-year storage location and the ring-to-ring storage location. In terms of clinker, the national inventory accounted for 63.08%, representing a year-on-year increase of 6.03 percentage points and a month-on-month increase of 0.42 percentage points; the national inventory of cement accounted for 62.65%, representing a year-on-year increase of 3.26 percentage points and no change on a month-on-month basis. Among them, the change range of clinker storage in Northeast China is 45 percentage points, while the change range of clinker storage in North China is 0 percentage points.

2026-01-12 17:13:57

The Inventory Statistics of Cement and Clinker shows the inventory of cement and clinker in the whole country and regions on January 2. The national inventory of clinker was 62.67%, representing a year-on-year increase of 3.76 percentage points and a month-on-month increase of 0.50 percentage points; the national inventory of cement was 62.65%, representing a year-on-year increase of 2.37 percentage points and a month-on-month decrease of 0.01 percentage points. Clinker inventory changed significantly in Northeast China, with an increase of 40.00 percentage points, while it changed less significantly in Northwest China, with a decrease of 0.60 percentage points.

2026-01-05 15:16:01

Cement and Clinker Inventory Statistics shows the inventory situation of cement and clinker in the whole country and regions on December 26. The national storage of clinker was 62.17%, representing a year-on-year increase of 3.46 percentage points and a month-on-month decrease of 1.26 percentage points; the national storage of cement was 62.66%, representing a year-on-year increase of 1.23 percentage points and a month-on-month decrease of 0.59 percentage points. Among them, the year-on-year change of clinker in Northeast China is obvious, which is 40.00 percentage points; the month-on-month change of clinker in Northeast China and Northwest China is slight, which is 0.00 percentage points.

2025-12-29 14:18:43

Title: Cement and clinker inventory statistics. The overall data covers the inventory proportion, year-on-year and month-on-month changes of clinker and cement in the whole country and regions on December 19. The national inventory of clinker accounted for 63.43%, representing a year-on-year increase of 3.70 percentage points and no change on a month-on-month basis; the national inventory of cement accounted for 63.25%, representing a year-on-year increase of 1.67 percentage points and a month-on-month decrease of 1.63 percentage points. Among them, the change of clinker storage location is more obvious in Northeast China, with an increase of 35.00 percentage points; the change is less obvious in the whole country and North China, with no change in the ring ratio.

2025-12-23 10:23:39

From December 8, 2025 to December 14, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. The kiln opening rate of 50% and above is 72.84% in Anhui Province, 66.36% in Jiangsu Province, 62.34% in Zhejiang Province, 55.98% in Hubei Province and 50.00% in Hainan Province.

2025-12-19 10:01:02

This is a cement and clinker inventory statistics. Overall data show that on December 12, the national storage of clinker was 63.43%, and the national storage of cement was 64.88%. From the perspective of year-on-year and month-on-month data, the year-on-year storage location of clinker in the northeast region has changed significantly, reaching 30.00 percentage points, while the month-on-month storage location in the southwest region has not changed significantly, reaching 0.00 percentage points. In terms of cement, the storage location in the northwest region has a large change of -8.00 percentage points compared with the same period last year, while the storage location in the southwest region has a small change of 0.00 percentage points compared with the same period last year.

2025-12-15 11:37:12

From December 1, 2025 to December 7, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 85.71%. Kiln opening rate of 50% and above: 69.49% in Anhui Province, 63.59% in Jiangsu Province, 62.97% in Hubei Province, 62.86% in Zhejiang Province and 50.00% in Hainan Province.

2025-12-12 10:01:01

Title: Cement and clinker inventory statistics. The overall data covers the storage locations of clinker and cement in the whole country and regions on December 05, as well as the changes of storage locations on a year-on-year and ring-on-ring basis. 64.81% for clinker and 66.60% for cement. In the year-on-year change of storage location, the change of clinker in Northeast China is more significant, which is 30.00 percentage points; the year-on-year change of clinker in North China, cement in North China and Northwest China is relatively small, which is -5.00 percentage points. In terms of chain storage location, the change of cement in North China and Northwest China is obvious, which is -2.00 percentage points; the chain of clinker in North China, Northeast China, Central South, Southwest China and Northwest China has no change.

2025-12-08 14:54:54

From November 24, 2025 to November 30, 2025, Hubei Province has the highest opening rate of cement kilns in all provinces in China, with the opening rate of 67.34%. Kiln opening rate of 50% and above: 63.13% in Jiangsu Province, 61.65% in Shaanxi Province, 60.56% in Anhui Province and 53.57% in Hainan Province.

2025-12-05 10:01:02

The Inventory Statistics of Cement and Clinker shows the inventory of cement and clinker in the whole country and regions on November 28. On the whole, the inventory of each region has changed to varying degrees. In terms of clinker, the year-on-year change of storage location in Northeast China is obvious, which is 20.00 percentage points; the change of storage location in the whole country and North China is small, which is 0.00 percentage points. In terms of cement, the storage location in Northeast China changed greatly, reaching 11.67 percentage points, while the storage location in North China, Southwest China and Northwest China changed slightly, all by 0.00 percentage points.

2025-12-01 15:20:47

From November 17, 2025 to November 23, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rate of 50% and above: Shaanxi Province 67.67%, Hubei Province 66.00%, Anhui Province 59.76%, Zhejiang Province 57.96%, Jiangsu Province 54.38%, Hainan Province 51.79%.

2025-11-28 10:01:23

The following is the introduction of cement and clinker inventory statistics: The data presents the inventory situation of cement and clinker in the whole country and regions on November 21, including the year-on-year and month-on-month inventory changes. On the whole, there are differences in inventory and changes in different regions. In terms of clinker, the year-on-year change of storage location in Northeast China was significant, reaching 15 percentage points; the month-on-month change of storage location in Southwest China and Northwest China was relatively stable, reaching 0 percentage point. In terms of cement, the storage location in Northeast China has a large change of 15 percentage points compared with the same period last year, while the storage location in East China and Central South China has a small change of 0 percentage point compared with the same period last year.

2025-11-24 15:22:23

From November 10, 2025 to November 16, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rate of 50% and above: 74.88% in Shandong Province, 71.43% in Hubei Province, 70.61% in Zhejiang Province, 66.92% in Shaanxi Province, 66.38% in Anhui Province and 55.76% in Jiangsu Province.

2025-11-21 10:01:01

The following is the text generated for you: This data is the inventory statistics of cement and clinker. On the whole, it includes the proportion of clinker and cement stocks in the whole country and regions on November 14, as well as the changes of year-on-year and ring-on-ring storage locations. In terms of clinker, some regions have different degrees of changes on a year-on-year and month-on-month basis, of which the southwest has a larger year-on-year change of -8.75 percentage points, and the northeast has a smaller month-on-month change of 0 percentage points; in terms of cement, the East China has a more significant year-on-year change of 8.93 percentage points, and the northeast and southwest have a smaller month-on-month change of 0 percentage points.

2025-11-17 14:55:38

From November 3, 2025 to November 9, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rate of 50% and above: 85.25% in Shandong Province, 72.24% in Zhejiang Province, 66.86% in Hubei Province, 66.38% in Anhui Province, 57.89% in Shaanxi Province and 50.23% in Jiangsu Province.

2025-11-14 10:01:35

Here is the introduction generated for you: Title: Inventory Statistics of Cement and Clinker The statistics cover the inventory of clinker and cement in the whole country and regions on November 7, and give the changes of storage location on a year-on-year and month-on-month basis. On the whole, the inventory of each region has increased or decreased to varying degrees. In terms of clinker inventory, there was a significant year-on-year change of -8.33 percentage points in East China, while there was no change in North China and Northwest China. In terms of cement inventory, there was a significant year-on-year change of 9.29 percentage points in East China, while there was no change in Southwest China.

2025-11-10 14:47:34

From October 27, 2025 to November 2, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rate of 50% and above: 83.87% in Shandong Province, 77.55% in Zhejiang Province, 58.57% in Hubei Province, 57.60% in Jiangsu Province, 53.68% in Liaoning Province and 50.00% in Hainan Province.

2025-11-07 10:01:02

The following is the text generated for you: Cement and Clinker Inventory Statistics shows the situation of cement and clinker inventory in the whole country and regions on October 31. 63.52% for clinker and 67.69% for cement. From the perspective of year-on-year and month-on-month data, the year-on-year storage location of clinker in East China changed significantly, which was -11.67 percentage points; the month-on-month storage location of clinker in China changed slightly, which was 0. The storage location of cement in Northeast China has changed greatly, up to 10 percentage points; there is no change in the storage location of cement in Central South China.

2025-11-03 17:40:27

From October 20, 2025 to October 26, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rate of 50% and above: 84.10% in Shandong Province, 74.69% in Zhejiang Province, 59.71% in Hubei Province, 57.58% in Liaoning Province, 57.14% in Jiangsu Province and 53.57% in Hainan Province.

2025-10-31 10:01:01

Title: Cement and clinker inventory statistics. The overall data covers the inventory proportion, year-on-year and ring-on-ring changes of clinker and cement in the whole country and regions on October 24. In terms of clinker, the proportion of inventory in different regions is different. The southwest region has a larger year-on-year change, which is -13.13 percentage points, and the central and southern region has a smaller year-on-year change, which is 0. The northeast region has a larger month-on-month change, which is 10 percentage points, and some regions have a smaller month-on-month change, which is 0. In terms of cement, East China had a larger year-on-year change of 7.14 percentage points, and Northeast China had a smaller year-on-year change of 0. Northeast China had a larger month-on-month change of 3.33 percentage points, and some regions had 0.

2025-10-27 13:46:40

From October 13, 2025 to October 19, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rate of 50% and above: Zhejiang Province 66.94%, Shandong Province 64.98%, Hubei Province 64.57%, Hebei Province 62.55%, Jiangsu Province 57.14%, Hainan Province 55.36%, Liaoning Province 50.84%.

2025-10-24 10:03:07

This is a statistical data of cement and clinker inventory. Overall, it covers the inventory proportion, year-on-year and ring-on-ring changes of clinker and cement in the whole country and regions on October 17. The national inventory of clinker accounted for 61.85%, and the national inventory of cement accounted for 63.46%. In the change of clinker storage position on a year-on-year basis, the decrease in East China is relatively large, which is -15.00 percentage points; there is no change in Central and South China on a year-on-year basis. In the change of cement storage position on a year-on-year basis, there is an obvious decrease of -9.38 percentage points in the southwest, while there is no change in the northeast. The ring-to-ring ratio has also increased or decreased to varying degrees.

2025-10-20 14:49:38

From October 6, 2025 to October 12, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rates of 50% and above were 71.78% in Anhui Province, 60.41% in Zhejiang Province, 57.60% in Jiangsu Province, 50.57% in Hubei Province and 50.00% in Hainan Province.

2025-10-17 10:01:01

Title: Inventory Statistics of Cement and Clinker The overall data covers the inventory proportion, year-on-year and ring-on-ring changes of clinker and cement in the whole country and regions on October 10. The national inventory of clinker accounted for 61.67%, and the national inventory of cement accounted for 63.27%. In clinker, the year-on-year change in the southwest is more obvious, which is -14.38 percentage points, and the month-on-month change in North China is not obvious, which is 0; in cement, the month-on-month change in North China is more obvious, which is -5.00 percentage points, and the year-on-year change in the northeast and northwest is not obvious, which is 0.

2025-10-13 11:35:31

From September 29, 2025 to October 5, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rate of 50% and above: 72.30% in Anhui Province and 54.69% in Zhejiang Province.

2025-10-10 10:01:01

From September 22, 2025 to September 28, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rate of 50% and above: 66.72% in Anhui Province, 61.98% in Shandong Province, 59.02% in Henan Province, 56.68% in Jiangsu Province, 50.00% in Liaoning Province and 50.00% in Hainan Province.

2025-10-03 10:01:09

Statistics of macro data of national building materials from January to August 2025

2025-09-30 17:02:45

The Inventory Statistics of Cement and Clinker shows the inventory of cement and clinker in the whole country and regions on September 26. Overall, it covers the clinker and cement inventory data of the whole country, North China, Northeast China and other seven regions. In terms of clinker, the change of storage location in East China is more significant, which is -22.08 percentage points, while the change of storage location in North China is smaller, which is 0 percentage points. In terms of cement, the change of storage location in Southwest China is large, which is -13.13 percentage points, while the change of storage location in East China is small, which is 0 percentage points.

2025-09-29 13:07:20

From September 15, 2025 to September 21, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rate of 50% and above: 82.03% in Shandong Province, 75.41% in Henan Province, 64.09% in Hebei Province, 62.20% in Anhui Province, 53.00% in Jiangsu Province, 52.24% in Zhejiang Province and 50.00% in Hainan Province.

2025-09-26 10:01:02

The Inventory Statistics of Cement and Clinker shows the inventory of cement and clinker in the whole country and regions on September 19. The national storage of clinker was 58.52%, representing a year-on-year decrease of 6.30 percentage points and a month-on-month decrease of 0.28 percentage points; the national storage of cement was 60.43%, representing a year-on-year decrease of 2.99 percentage points and a month-on-month increase of 0.36 percentage points. Clinker in East China has a significant year-on-year change of -20.83 percentage points, while that in North China has a small month-on-month change of 0. The month-on-month change of cement in Northeast China is more prominent, which is 5.00 percentage points; the month-on-month change of cement in East China is small, which is 0.

2025-09-22 14:03:08

From September 8, 2025 to September 14, 2025, the highest opening rate of cement kilns in all provinces in China is Tianjin, with the opening rate of 100.00%. Kiln opening rate of 50% and above: 82.26% in Shandong Province, 70.02% in Henan Province, 66.53% in Zhejiang Province, 61.67% in Anhui Province, 60.71% in Hainan Province, 59.07% in Hebei Province, 56.57% in Hubei Province and 51.15% in Jiangsu Province.

2025-09-19 10:01:01

Title: Cement and clinker inventory statistics. The overall data covers the proportion of clinker and cement stocks in the whole country and regions on September 12, as well as the percentage points of year-on-year and month-on-month stocks. In terms of clinker, the change of storage location in East China is more obvious, which is -20.83 percentage points; the change of storage location in North China and Southwest China is less, which is 0.00 percentage points. In terms of cement, the change of storage location in southwest China is large, reaching -16.88 percentage points; the change of storage location in North China and Central South China is small, which is 0.00 percentage points.

2025-09-15 14:03:48

From January to February 2026, the statistics of flat glass production in all parts of the country show that the cumulative output of flat glass in the whole country shows a certain trend. The cumulative output of flat glass in China decreased by 3.50% year on year. Among the regions, the output of Chongqing increased by 45.09% year-on-year, while the output of Yunnan decreased by 66.38% year-on-year. In some areas, such as Beijing, Shanghai and Qinghai, the yield data are missing. The output of other regions increased or decreased year on year, reflecting the differences in the production of flat glass in different regions.