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2008
Release time: Aug 19,2025
Participated in the drafting of the “National Standard for the Building Materials Industry of the People's Republic of China - Colored Sand for Asphalt Shingles” Standard Number: JC/T 1071-2008
参与起草《中华人民共和国建材行业标准-沥青瓦用彩砂》标准号:JC/T 1071-2008
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CL ROCK,Colored Granules & Sands Solution Provider
Providing products and solutions for various application areas!
E-mail: jycl@clrock.com
Tel：+86 510-86669663
Phone：+86 13373629327
Add: No. 21, Donglu, Huagang, Shizhuang, Huangtu Town, Jiangyin City, Jiangsu Province, China
