... steel pipes square steel pipes HEBEI SHENGTIAN PIPE-FITTINGS GROUP CO.,LTD.Hebei Shengtian Pipe-Fittings Group Co., Ltd. was established in 1989. We are ... $7,500,000. We are capable of manufacturing various pipe fittings. Our main products are elbows, tees, bends, reducers, caps ... 2000,API,CCSWe have biggest pipe fittings production equipment in china,all of pipe fittings are products by ourself,so we ...