Chongqing Changjiang River Moulding Material (Group) Co., Ltd., together with its subsidiaries, engages in research, development, production, and sales of foundry silica sand, coated sand, and sand cores for casting in China. It offers raw sand, coated sand for casting, recycled sand, sand core, and fracturing proppant. The company is also involved in research and development of equipment for recycling foundry waste sand. Its products are used in the production of parts for the automotive, motorcycle, high-speed rail, agricultural machinery, and construction machinery industries, as well as in the extraction of oil, natural gas, and shale gas. Chongqing Changjiang River Moulding Material (Group) Co., Ltd. was founded in 1979 and is headquartered in Chongqing, China.