Qishine Gasket Pipe Fitting Co., Ltd. relying on the abundant mineral resources and rich experience in the production of pipe fittings, specializing in the production of high-strength graphite composite gaskets and non-asbestos gaskets, PTFE gaskets, bolts, nuts, tees, elbows, bends, reducers, flanges, valves, steel pipes, etc. Qishine is dedicated to solving the problem occurring in ... https://www.qishine.com