... Pipe coupling,pipe clamp fittings,flexible coupling 1:we can supply: NameCoupling, elbow, tee, cross, reducer, cap, mechanical tee, ... like water supplying, gas supplying, heat supplying, etc.2) Industrial pipeline system on shipping, mine, oil field, textile, powder ... fire protection,mines,power,chemical industry and urban water supply and discharge.When it is connected with pumps,valves ...