Participate in the drafting of industry standards for

2017-06-21 00:00:00




    In 2008, CL ROCK participated in the drafting of " Standards of the building materials of the People's Republic of China - color sand for asphalt shingle ", Standard No .: JC / T 1071-2008, the record number: 22941-2008 (2008-02-01 release, 2008-07-01 Implementation).

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The 16th China Coatings Exhibition (CHINACOAT 2011) Granules characteristics review Application examples of sand mining The 7th China International Roofing and Building Granule processes Adding luster to the Expo Special granules

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