series: HJ,WHJ-E,WHJ-H,WHJ-R,WHJ-G-series supercharger developed by our company apply to Steyr, Cummins, TA, Wuxi diesel engine works, such as engines, superior performance, get market recognition and exported to Southeast Asia.

II series: other companies in order to fully meet the market demands of different users, also developed a water series of WHJ-T low-power booster, WHJ-K turbocharged gasoline engine series.