Official brand video of Qingjie, a professional lubricant manufacturer since 1985. Born from a military refinery, now certified by ISO 9001 and insured by PICC. Premium base oils and world-class additives, fully automated blending, annual capacity of 100,000 tons. Product range covers gasoline engine oils, diesel engine oils, industrial oils, engineering oils, greases, brake fluids and coolants. Trusted by industrial partners across China, now exporting to Southeast Asia, Central Asia and Africa. Qingjie — The Flow of Technology.