We are pleased to introduce our factory, Qingdao Haifa Valves Manufacturing Co., Ltd., as one of the main producers valves from P.R. China. have already got BS5163:2000/EN1074:2000 approval for gate valves, also ISO9001:2000 certificate factory. The 3rd party inspectors witnessed whole ...

we have the pleasure to introduce ourselves as a Chinese leading manufacturer and exporter of ductile iron pipe fittings. All types DI fittings produced by us according ISO2531,EN545,EN12842 Awwa C110 include flanged fittings, socket loosing EX for PVC pipes, adaptors couplings, well ...