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

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