Qualification certificate
Qualification certification
Excellent supplier of CNOOC Jinzhou Petrochemical in 2025
EU CE certification
ABS certification certificate
Credit rating certificate
Credit Rating Certificate
Industrial Enterprise R&D Institution Certificate
Certificate of High tech Enterprise
Specialized, refined, and innovative small giant enterprise
2022 Provincial Manufacturing Single Champion
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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