As we all know, China's building materials industry is faced with severe challenges.
我们都知道，中国的建材工业面临着严峻的挑战。
Building materials industry products factory production, is a trend.
建材工业产品的工厂化生产，是一种发展趋势。
This standard is proposed by State Bureau of Building Materials Industry.
本标准由国家建筑材料工业局提出。
This standard is proposed by State Bureau of Building Materials Industry.
本标准由国家建筑材料工业局提出。
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