... hose. Size: F1/2" X F7/8". Stainless steel hoses with plastic nut,Criss-crossing hoses,Copper/ PVC knitted ... with convenient transportation by water, land and air. Specialized in development and production of copper valves, gas valves, cast steel valves, stainless steel ... valves, sanitary wares, water meters and various pipe fittings etc., ...