Malleable Iron Pipe Fittings, Grooved Pipe Fittings, Pipe Hangers manufacturer / supplier in China, offering UL/FM Approved Threaded Mechanical Cross Heavy Duty 4-Port Branch Connector for Industrial Pipeline, Fluid Tech Threaded Mechanical Cross 4-Way Threaded Fitting for Fire Protection Pipeline, Corrosion Resistant Male Threaded Adapter Quick Connect Male Nipple for Petrochemical Engineering and so on.