Valves castings seal pipe Castings:sand castings, sodium silicate precise castings and lose wax precise castings. Main material: all kinds of special steel for valves such as Wca, wcb, wcc, lcb, lcc, lc1, lc2, lc3, lf8, cf3, cf8m, cf3m, ck20, wc1, wc4, wc5 Wc6, wc9, c5 and c11, etc. Valve: water control valve, butterfly valve, forged steel valve, gate valve, globe valve, ball valve, check valve, plug valve. Seal: mechanical seal, pipe/valve seal Pipe: high pressure pipe f, s.S.Threaded pipe f, s.S.Butt weld pipe Wooden case