... high-tech company engaged in the research, development and manufacture of pipe fittings. With 20 years' history, our company owns advanced ... . Besides many varieties and specifications, our products are of beautiful appearance and stable performance. They meet the standards ... elbows, tees, reducers, lap joint stub ends,flange and pipe caps, using materials of 321, 304, 304L, 316, 316Ti, 316L, 347, ...