Shijiazhuang, Hebei, China,
Our main business covering: valves, flanges, elbows, other pipe fittings.We, Hebei Longsheng Metals & Minerals Co., Ltd, are specialized in steel and chrome ore trade, which found 2004 , generated from Minmetal is state owned company, with registered ...
valves, flanges, elbows, and other pipe fittings, grinding media, grinding mill balls