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ZhengFeng Valve Group, founded in 1991 with focus on manufacturing Water valves, including control valves, balancing valves,gate valves, butterfly valves, check valves, and air valves. Valve sizing 1/2” to 88”, rating BS 10bar through BS 25bar, served covering buildings & construction，waterworks，fire protection and many other fields. Zhengfeng has ...
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