XF XINFENG

Couplings and joints of metal for pipes; Couplings of metal for pipes; Fittings of metal for pipes; Flanges of metal; Metal connectors for pipes; Metal couplings and joints for pipes; Metal downspouts; Metal drain traps; Metal fittings for pipes; Metal reinforcement materials for building; Pipe elbows of metal; Pipe fittings of metal; Tubes of nickel alloys; Tubes of stainless steel