It is understood that the Bureau of Quality and Technical Supervision of Inner Mongolia Autonomous Region, in accordance with this year's spot check plan, organized the relevant quality inspection agencies in the region to conduct special spot checks on 13 types of building materials, such as sintered ordinary bricks, sintered porous bricks and concrete pavement bricks. A total of 743 products from 715 enterprises were sampled, with 504 qualified products. The qualified rate of light partition board, wire and cable, fired perforated brick and hollow floor slab is more than 80%; the qualified rate of polystyrene foam plastic, concrete small hollow block and right-angle fastener for construction is less than 60%. < BR >
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