Henan Ouyi Environmental Protection Technology Co., Ltd. is one of the leading integrated Hi-tech companies engaging in research, development, manufacture, marketing and service of gas system of CNG and LPG dual-fuel automobiles, motorcycles and diesel vehicles in China. main product include: ECU�reducer�gas injector�OBD emulator�MAP sensor�oxygen emulator�timing advanced processor�switch etc. our company obtained certificates ISO9001�ISO/TS16949 and E-MARK 110. Since its establishment, relying on its own the high reputation, super technology and perfect after-sale service, a good reputation of products is set at home and abroad. Our marketing network supports more than 20 outlets domestically and the products have been exported to Russia, Iran, India, Pakistan, Thailand, Malaysia, etc. The Company is committed to assist customers worldwide with their unique needs by providing them with comprehensive, value-added solutions and professional, personal service and construct leadership for Ouyi Brand in the industry.