●   On March 16, 2012             the company registered and established

●   On May 27, 2015                the company was officially listed on the New OTC Market

●   On November 1, 2016        the company merged and reorganized its wholly-owned subsidiary-Anhui Fluid Pump System Co., Ltd

●   On January 1, 2017             the company moved to the new plant

●    On May 12, 2017               the company registered and established a wholly-owned subsidiary-Tongling Shanhai Intelligent

                                                 Manufacturing Co., Ltd

●   On November 3, 2018        the main project of the company's provincial R&D platform project was in successful structure roof sealing

●   On December 1, 2018        the new plant of the wholly-owned subsidiary -Anhui Fluid Pump System Co., Ltd. was completed and

                                                 completed relocation

●   On September 18, 2019     the subsidiary Anhui Kaisiwei Precision Technology Co., Ltd. was registered and established

●   On October 18, 2019         the company's R&D building was officially completed