Sanitary Wares,Valve core, Valve core,Valve Angle VALVE, Ball Core ... -ang valve Valve Angle VALVE, Ball Core ri-ang valve,Sanitary Wares,Valve core, Valve coreTube main production to the United ... British standard (BS) superscript (JIS) and international standards (ISO) standard design of the joints, materials to 45 # steel, brass, mainly stainless ...