Solder Ring 90 Deg Elbow,Copper fitting, 1.Material: red copper 2.Standard: EN1254, BS864, ANSI/ASME B16.22, ... DIN2856, GB/T1161 Solder Ring 90 Deg Elbow,Copper fitting,1.Material: red copper2.Standard: EN1254, BS864, ANSI ... land and air. Specialized in development and production of copper valves, gas valves, cast steel valves, stainless steel ... world. J9104 Solder Ring 90 Deg Elbow,Copper fitting