Chongqing Changjiang Moulding Materials (重庆长江成型材料) is a company that produces and sells resin-coated sand, shale gas, fracturing proppant, and building materials. It offers inkjet 3D printing sand, roasting furnaces, aluminum alloys, foundry water-based coatings, interior paints, and other products. The company caters to the foundry, recycling, oil and gas mining, aviation industries, etc.