- COMPANY PROFILE Founded in 1993, Chongqing Changjiang River Moulding Material Group Co., Ltd. (Hereinafter referred to as CCRMM) specializes in making resin coated sand, reclaiming used foundry sand, producing auxiliary materials for foundry industry, making sand cores for foundries, and manufacturing proppant for oil and gas industry. With annual production capacity over one million tons, its 42 world class, computer-controlled, fully automated resin coated sand and used foundry sand reclamation production lines are located in Beibei Chongqing, Shiyan HuBei, Xiantao Hubei, Kunshan Jiangsu, Ji ...
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