On April 16, the Ministry of Industry and Information Technology issued a public announcement on the public solicitation of opinions on the approval of 229 industry standards such as the Code for Design of Control Rooms.

Among them, Technical Code for Application of Machine-made Sand Concrete for Rail Transit Engineering; Lightweight Concrete Composite External Wall Cladding; Test Method for Frost Resistance of Porous Concrete Products: Water Freezing and Thawing Method; General Technical Conditions for Non-load-bearing Members of Ultra-high Performance Concrete (UHPC); Technical Specification for Cement Products Part 9: Wind Power Tower Precast Concrete Segments and other standards were publicized.





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