PetroChina: Daqing Petrochemical, Daqing Refinery, Harbin Petrochemical, Jilin Petrochemical, Jinzhou Petrochemical, Liaoyang Petrochemical, Fushun Petrochemical, Dalian Petrochemical, Liaohe Petrochemical, Jinxi Petrochemical, Hohhot Petrochemical, North China Petrochemical, Dagang Petrochemical, Changqing Petrochemical, Lanzhou Petrochemical, Qingyang Petrochemical, Ningxia Petrochemical, Golmud Refinery, Urumqi Petrochemical, Dushanzi Petrochemical, Tarim Petrochemical, Karamay Petrochemical, Guangxi Petrochemical, Sichuan Petrochemical, Yunnan Petrochemical, Beijing Natural Gas Pipeline, Pipeline Branch, Western Pipeline, Tarim Oilfield, Daqing Oilfield, Changqing Oilfield, Xinjiang Oilfield, Southwest Oil & Gas Field, etc.

Sinopec: Jinling Petrochemical, Shanghai Petrochemical, Maoming Petrochemical, Changling Petrochemical, Jingmen Petrochemical, Baling Petrochemical, Wuhan Petrochemical, Tianjin Petrochemical, Yanshan Petrochemical, Qingdao Petrochemical, Yangzi Petrochemical, Nanjing Chemical, Natural Gas Branch, etc.

CNOOC: CNOOC Condition Monitoring Branch, Tianjin Branch, Zhanjiang Branch, Shenzhen Branch, Huizhou Energy Company, Ningbo Daxie Petrochemical, Taizhou Petrochemical, etc.

Coal Chemical Industry: Shenhua Ning Coal, Shenhua Ordos, Shenhua Baotou, Yangmei Coal Group, Sichuan Coal Gasification, Hualu Hengsheng, Guizhou Jinchi Chemical Industry, China Coal Science and Engineering, etc.

Power: Three Gorges Wind Power, Datang Power, Huaneng Group, etc.

Rail transit: locomotive manufacturers and users.

OEMs: Shengu Group, Shaanxi Drum Group, Shenyang Yuanda, Dresserland, Hangzhou Steam Turbine, Chongqing General Motors, Wuxi Compressor, Zhejiang Qiangsheng Compressor, etc.

Engineering companies and design institutes: Huanqiu Engineering, SEI, East China Design Institute, Luoyang Design Institute, CNPC First Construction, CNPC Sixth Construction, Northeast Refining & Chemical, PetroChina Anhuan Institute, Langfang Pipeline Design Institute, etc.

Others: Beijing Drainage Group, China Special Equipment Inspection and Research Institute, Coal Science and Technology Research Institute, Hefei General Machinery Research Institute, New Austrian Energy, South-to-North Water Diversion, etc.


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