D373H Wafer type multi-level metal to metal sealed butterfly valve--Shanghai Yuanda Valve Co., Ltd.
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SHANGHAI YUANDA VALVE CO.,LTD   Address:NO. 4558, Jia song north road, Jia ding district, Shang hai city
Tel:021-39822878 Contact: luyafi mobile phone: 13701721855  E-mail:ydfm021@163.com
Mutual benefit,win-win cooperation
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