Qualification certificate
Qualification certification
2021 China National Petroleum Jilin Branch Thank You Letter
Emergency Response Service Record Form of Sinopec Yangzi Petrochemical Co., Ltd
2018 China Global Engineering Commendation Letter
2018 Daqing Petrochemical Commendation Letter
2018 China National Petroleum Daqing Refining and Chemical Commendation Letter
2019 China National Petroleum North China Petrochemical Commendation Letter
2015 China National Petroleum Jilin Branch Thank You Letter
Thank you letter from Sinopec Tianjin Branch in 2009
Thank you letter from Zhong'an United Coal Chemical in 2022
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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