China Petroleum and Natural Gas Co., Ltd. North China Chemical Sales Shandong Branch was established on March 6, 2004, and the person in charge was Feng Wang. The enterprise address is located on the west side of the third floor of Building 6, Phase III, Shandong Surveying and Mapping Geographic Information Industry Base, No.8951Taoyuan Street, Qingchu Street, High-tech Zone, Weifang City, Shandong Province.
China Oil and Gas Co., Ltd. ("China Oil" or "PetroChina" for short) is the largest producer and seller of oil and gas in China oil and gas industry, a state-owned enterprise, one of the largest sales companies in China and one of the largest oil companies in the world.