John Valve MFG. Factory Co. Ltd.
P.O.Box 2128, Taichung40001
Taiwan
Tel: +886 49 314 543
Fax: +886 49 31 4554
Valves: Ball valves 
Valves: Check Valves 
Valves: Gate Valves 
Valves: Globe Valves 
Gulf Oil and Gas
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