1949 - Zuoyan Zhu set up the hardware workshop, the specialized in hardware manufacturing: Hutch ark parts and lock parts.
1970 - Dinghuan Zhu′s son - Chongqin Zhu, He set up the individual hardware factory. Specialized is engaged in and the development of aluminum and copper casting and bicycle spare parts production and development.
2002 - Chongqin Zhu′s son - Wencheng Zhu and Changxi Sun are set up garage, the specialty is engaged in the car and bus repair services, At the same time provide coach components development service.
2006- Establishment of Ruian passenger car accessories sales center.
2008 -Establishment of Ruian Keno trade Co. Ltd.
2010 -Establishment of Ruian WBACC Auto Parts Co., Ltd, start WBACC brand, the specialty is
Engaged in the household air treatment, Car air treatment, industrial air treatment.
2012 - Acquisition Tanosen filter, set up KENO group (China) Co., Ltd.
2013 - And Hno hardware strategic partner agreement.
2014 - Acquisition Ningbo Weiyake auto parts Co., Ltd.
2015 - Establishment of Keno group international department. 2016 - Acquisition Martha China.
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