Qualification certificate
Qualification certification
Original business license


Copy of Business License


Account opening permit


Manufacturing Specification for Anticorrosive Pipeline Components


Anti corrosion membership certificate


Notice of Enterprise Change Approval


Certificate of Enterprise Name Change issued by the Ministry of Industry and Commerce


Certificate of Enterprise Name Change issued by the Ministry of Industry and Commerce


Special Equipment Manufacturing License








TEL: +86-317-6331988/6330898/0931
TEL: +86 132 9270 7679
E-mail: hengtonggp@163.com
Address: Zhenggang Industry Park, Yanshan County, Hebei Province, P.R.China




TEL: +86-317-6331988/6330898/0931
TEL: +86 132 9270 7679
E-mail: hengtonggp@163.com
Address: Zhenggang Industry Park, Yanshan County, Hebei Province, P.R.China
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