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       Dongguan Zhengyang Electronic Mechanical Ltd. is the Headquarters of KUS group,Located in the heart of the Pearl River Delta, Dongguan City, and it is recognized as the world’s leading designer and manufacturer of fuel level sensors, AdBlue/DEF sensors & tanks, and gauges. Our products are widely fitted on trucks, buses, construction machineries, agricultural tractors, boats, yachts, generator sets, recreational vehicles (caravans), general aviation and etc.

      AdBlue/DEF sensors and tanks are one of critical components in the SCR system (selective catalyst reaction) that are mandatory to be installed on automotive and non-road machinery according to emissions regulation. Since 2004, a million sets of Adblue/DEF products are used by various vehicle exhaust abatement systems every year, and  made an significant contribution to the global environmental protection.


        Dongguan Zhengyang Electronic Mechanical Ltd. is formerly known as Taiwan DAX International Co., Ltd. established in Taiwan in 1984, and launched the very first “Reed Switch” level sensors in the same year. According to our strategic expansion plan, KUSAUTO officially moved the production base to Dongguan, China in 2003. 10 years strong in the southern China, our facility is now occupying ​​over 80,000 square meters, and capable to produce total of 5 million units annually for all type of products. More than 4,500 employees work with KUSAUTO in the nowadays

         Dongguan Zhengyang Electronic Mechanical Ltd. is a global operating company, the headquarter is located in Dongguan, and R&D Centers in Taiwan. We have a wholly owned subsidiary in Florida, USA. Current sales range cover major regions including Europe, North America, Asia, South America, Australia and Africa. Our major OEMs are Mercedes-Benz, Volvo, MAN, SCANIA, IVECO, Renault, PACCAR, John Deere, and Catepillar. Chinese OEMs: DongFeng, FAW, Heavy Auto, Foton, Shaanxi Auto, SANY, and XCMG. Japanese OEMs: Hino, Komatsu, and Hitachi.