Huashi Science&Technology Development Co., Ltd. of China University of Petroleum(UPC) is a company specialized in petroleum additive production, oilfield technical service and petroleum machinery production. It grew out of China University of Petroleum Mud Addtive Factory.The company was jointly founded by China University of Petroleum(UPC) and Shengli Oilfield in1993. The technology comes from College of Petroleum Engineering, College of Chemistry and Chemical Engineering and College of Mechinery and Electronic Engineering of UPC.