NO.2 PetroChina Changqing Oilfield Company (PCOC)
PCOC is a regional oilfield company affiliated to PetroChina and headquartered in Xi 'an, Shaanxi Province. It is engaged in the exploration, exploration, development and production of oil and gas, co-occurring, associated and non-oil and gas resources, oil and gas gathering, transportation, storage and transportation, and sales of oil and gas products.

NO.3 China National Petroleum Corporation Limited (CNPC)
As the largest oil and gas producer in China, CNPC has been exploring and developing conventional oil and gas, as well as unconventional oil and gas resources such as tight oil, shale oil, tight gas, shale gas and coal bed methane for many years.

NO.4 China National Offshore Oil Corporation Limited (CNOOC)
Cnooc is the main force in the exploration and development of offshore oil and gas in China, and its upstream business is currently on the rise. According to the plan, CNOOC's domestic oil and gas production is expected to reach 100 million tons by 2025.

At Present, Our Company's Products Have Formed a Series Of Varieties, All Year Round For China Petrochemical, China Petroleum And Other Enterprises To Provide High-Quality Additives. The Technology Source Of The Company Is China Petrochemical Research Institute, Shanglian Research Institute And Other Scientific Research Institutions. At The Same Time, We Cooperate With Famous Foreign Additives Companies To Jointly Research And Develop a Number Of New Products.
At This Stage, i Am Investing In Human And Financial Resources To Actively Develop The Global Business. With Our Company's Own Product Advantages And Rich Experience,
Great Contributions To The Oil Exploration Industry.
Our Slogan: Professional Achievement High Quality!