Luoyang Zhengyuan Petrochemical Co., Ltd. is a first-class supplier of China National Offshore Oil Corporation and a supplier of petrochemical materials and equipment. The company mainly serves petroleum and chemical enterprises, carries out technical consultation, technical service and product production, and has the certificate of high-voltage explosion-proof transformer for electric desalination / water, the manufacturing license of class III pressure vessel, ISO9001 quality system certification, etc. In October 2010, Luoyang Zhengyuan Petrochemical Company and CNOOC Research Institute proposed to carry out research on electrostatic coalescence technology to improve the efficiency of oil-water separation for efficient dehydration of offshore platforms, so as to save investment, increase production and increase efficiency. On this basis, a world leading electrostatic coalescence and separation technology is developed. This technology has been applied in Liuhua oil tanker FPSO, Lufeng 13-1 platform and Bozhong 34-1 platform, and has achieved the research and application goal of electrostatic coalescence and separation technology. Through pilot test, this technology has been widely recognized on CNOOC FPSO and platform.