PetroChina Company Limited Dalian Zhuanghe Sales Branch
PetroChina Company Limited Dalian Changhai Sales Branch
PetroChina Company Limited Dalian Wafangdian Sales Branch
PetroChina Co. Ltd. Dalian Jinzhou Sales Branch
China National Petroleum Corporation Dalian Pulandian Sales Branch
China Petroleum & Chemical Corporation Yunnan Baoshan Petroleum Branch
China Petroleum & Chemical Corporation Yunnan Dehong Petroleum Branch
China Petroleum & Chemical Corporation Yunnan Yuxi Simao Petroleum Branch<
China Petroleum & Chemical Corporation Yunnan Lincang Petroleum Branch Company
China Petroleum & Chemical Corporation Hunan Changsha County Petroleum Branch Company
China Petroleum & Chemical Corporation Hunan Wangcheng County Petroleum Branch Company
China Petroleum & Chemical Corporation Hunan Zhuzhou County Petroleum Branch Company
China Petroleum & Chemical Co. Ltd. Hunan Yueyang County Petroleum Branch Company
China Petroleum & Chemical Corporation Hunan Taojiang County Petroleum Branch Company
China Petroleum & Chemical Corporation Hunan Hengyang County Petroleum Branch Company
Chinese Petroleum & Chemical Corporation Shanxi Yuncheng Wakigu Petroleum Branch Company
China Petroleum & Chemical Corporation Shanxi Jincheng Yangcheng Petroleum Branch Company
China Petroleum & Chemical Corporation Shanxi Jincheng Lingchuan Petroleum Branch Company
China Petroleum & Chemical Corporation Shanxi Jincheng Qingshui Petroleum Branch Company
China Petroleum & Chemical Corporation Shanxi Lvliang Petroleum Branch Company Xiaoyi Depot Company
There are many more, and you should be able to find them all online.