China Petrochemical Sales Co., Ltd. North China Branch is one of the major petrochemical sales companies in China, and it is a large state-owned Class I enterprise. The predecessor of the company was established in March, 1950, under the Ministry of Commerce. 1985 65438+ 10, the organizational system was transferred to sinopec group. The company mainly performs the responsibilities of "resource organization, logistics optimization, storage and transportation management, unified settlement and market supervision" and implements unified management of important storage and transportation facilities in North China.