China Petrochemical Sales Co., Ltd.
China Petroleum International Enterprise Co., Ltd.
China Petroleum Sales Co., Ltd.
China North Industries Co.
China kanglike import and export co., ltd
China Petroleum Fuel Oil Co., Ltd.
Poly technology co., ltd
Zhejiang products international trading co., ltd
Guangdong Rong Zhen Energy Co., Ltd.
Beijing zhongbaona investment management company
Dalian shide group co., ltd.
Shandong Yufeng chemical industry import and export co., ltd
Weihai huayue construction development co., ltd.
Shanghai allison import and export co., ltd.
Hubei tianfa company limited
Fujian province Minnan energy development co., ltd
Xiamen Yu Xiang Group Co., Ltd.
Dongguan electric power fuel co., ltd
Ningxia lanxing petroleum sales company
Xinjiang yaxin international economic trading co., ltd
Xintian international economic trading co., ltd
China Yuanda Group Corporation
Zhonghai trading co., ltd
China CITS Trading Co., Ltd.
Beijing JD.COM materials company
Beijing Jingsheng industry & trade co., ltd
Tianjin materials group company
Shanxi foreign investment and trade group co., ltd
Rongcheng western petroleum co., ltd
Shandong blue sky chemical industry trading co., ltd
Shandong jingshan petroleum chemical co., ltd
Zhejiang Serene Company Limited
Zhejiang Sinochem Group Co., Ltd.
Xiamen Huadong Hai Petroleum Storage Co., Ltd.
Shanghai wanxiang investment co., ltd
Guangdong province fuel company
China Minmetals Import and Export Corporation
China International Trade Corporation.
China chemical industry corporation
Beijing CNPC Changda Petroleum Co., Ltd.
Changchun Xinda petroleum group co., ltd.
Rizhao Huadong Petrochemical Co., Ltd.
Shandong lanqiao industry & trade group co., ltd
Shaanxi dongda petroleum chemical co., ltd
Ningbo Shen Da Energy Import and Export Co., Ltd.
Hu' nan Xinhua Lian international petroleum trading co., ltd
Jiangsu overseas enterprise group co., ltd
Xinjiang travel co., ltd
Guangzhou Panyu Nanxing Co., Ltd.
Tianjin North Petroleum Company
Heilongjiang Yuanyang international trading co., ltd
Shandong Hua Bin Group Co., Ltd.
Shandong guoneng petrifaction import and export co., ltd
Dongming CNPC fuel oil petrochemical group co., ltd
Shengli Oilfield Zhongsheng International Petrochemical Group Co., Ltd.
Guangdong development oils sales co., ltd