Shengli Oilfield Branch East China Branch Zhongyuan Oilfield Branch
He' nan oilfield branch northeast petroleum gas branch Jianghan oilfield branch
Jiangsu Oilfield Company Petroleum Engineering Southwest Co., Ltd. Southwest Oil and Gas Branch
Xinxing petroleum co., ltd. natural gas branch northwest oilfield branch
Shanghai Offshore Oil Bureau Exploration South Branch North China Branch
Pipeline storage and transportation office
Fujian refining co., ltd. Yanshan branch Qilu branch
Shanghai Petrochemical Company Jinling Branch Shanghai Gao Qiao Branch
Maoming Branch Beihai Branch Tianjin Branch
Yangzi petrifaction branch Shanghai asphalt sales company baling branch
Qingdao petrochemical co., ltd Yizheng chemical fiber co., ltd Changling branch
Hainan Refining and Chemical Co., Ltd. Xi 'an Petrochemical Branch Nanjing Chemical Co., Ltd.
Baoding Petrochemical Plant Luoyang Branch Anqing Branch
Sichuan vinylon factory Jingmen branch catalyst branch
Zhongyuan Petrochemical Co., Ltd. Hubei Chemical Fertilizer Branch Jiujiang Branch
Shijiazhuang refining and chemical branch chemical sales company Ji' nan branch
Wuhan Branch Guangzhou Branch Cangzhou Branch
Qingdao Refining and Chemical Co., Ltd. Lube Oil Branch Zhanjiang Dongxing Petroleum Enterprise Co., Ltd.
Zhenhai refining and chemical branch Tahe branch
Beijing Petroleum Branch Shaanxi Petroleum Branch Tianjin Petroleum Branch
Hebei petroleum branch Xinjiang petroleum branch Shanxi petroleum branch
Shanghai petroleum branch Heilongjiang petroleum branch Jiangsu petroleum branch
Zhejiang petroleum branch Gansu petroleum branch Anhui petroleum branch
Fujian petroleum branch Jiangxi petroleum branch Shandong petroleum branch
Chongqing petroleum branch Henan petroleum branch Hubei petroleum branch
Inner Mongolia Petroleum Branch Hunan Petroleum Branch Guangdong Petroleum Branch
Jilin petroleum branch Guangxi petroleum branch Hainan petroleum branch
Qinghai petroleum branch Guizhou petroleum branch Yunnan petroleum branch
Ningxia petroleum branch Liaoning petroleum branch Sichuan petroleum branch
Engineering construction company 5 th construction company Shanghai engineering co., ltd
Luoyang petrochemical engineering company 4 th construction company Ningbo engineering co., ltd
Nanjing engineering co., ltd. 10 th construction company