Year 1995: Founding of 'Linhai Jiangnan chemical agents factory' .
Year 2000: Changing of its name to ' Linhai Wansheng Chemicals Co., ltd.'
Year 2004: Changing of its name to 'Zhejiang Wansheng Chemicals Co., Ltd.'
Year 2006: Founding of ' Zhejiang Wansheng Science & Technology Co., Ltd.', wholely owned by 'Zhejiang Wansheng Chemicals Co Ltd'
Year 2010: Changing of its name to 'Zhejiang Wansheng Co Ltd' from 'Zhejiang Wansheng Chemicals Co Ltd'
Year 2012 : Founding of Wansheng US and Wansheng Hongkong
Year 2014: IPO at Shanghai Stock Exchange Center in October
Year 2015: Founding of Wansheng Europe in May
Year 2015: Acquisition of Jiangsu Dawei