CHINA SHUANGHENG VALVE CO.,LTD.
Add: No.389,Langong Road,Jinshan Industrial Zone,Shanghai,China 201506
Tel: +86-21-67229599 37219999  Fax: +86-21-67276959
E-mail: shuanghengvalve@hotmail.com  http:// www.zgshfm.com

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