1. The castings are cast using coated sand technology. 2. Casting Range：Valve Body, Valve Trim, Pipe fittings, Pump Mechanical Parts, Special Alloy Steel,It can also be customized according to customer requirements and drawings. 3. Casting Material：CF8, CF8M, CF3, CF3M, 4A, 5A, 6A, Monel, Hastelloy, Aluminum bronze