Profile: Shengxin Malleable Duct Pice Industrial Trade co., ltd specializes in manufacturing malleable iron pipe fittings, and carbon steel pipe nipples. Our pipe fittings are made by mechanize process. Our products are widely used in fire protection, plumbing, oil, gas, infrastructure, construction and decoration. Malleable iron pipe fittings are most common among malleable fittings and are available in many different types and sizes. We are an ISO 9001 certified company.