... B16.22, DIN2856, GB/T1161 Solder Ring 90 Deg Elbow,Copper fitting,1.Material: red copper2.Standard: EN1254, BS864, ANSI ... High quality! Advantage:1) Fast Material Supply. Have own copper tube Factory of Jintian Group.4) Strictly and perfect management in production ... water, land and air. Specialized in development and production of copper valves, gas valves, cast steel valves, stainless steel valves, ...