1988
In June, Established Wenzhou Shacheng Hualian Valve Factory (self-employed) In October, Started production of Wafer Type Short Pattern Ball Valves.
1993
In May, Changed the name to Wenzhou Ouhai Hualian Valve Factory(joint-stock cooperative)
1999
In May, Registered the trademark of "OULIFA"
2001
In November, Changed the name to Wenzhou Hualian Valve Factory
2002
In December, Past through the ISO9001:2000 Quality Management System Certification
2003
In August, Reorganized as Wenzhou Pioneer Valve Co., Ltd
2005
In October, Began to develop and produce high vacuum ball valves and butterfly valves
2006
In June, Registered the trademark of "Pioneer" In October, Won the "China Valve City" "Meritorious enterprise" title
In November, Wafer Type Jacketed Ball Valve won the Silver Award of the "First International Valve Expo"
2007
In April, Got the TS association of the Manufacture License Of Special Equipment Of China(pressure piping components) In August, Preparation of Wafer Type Ball Valve Enterprise Standards and Registration
In December, Wafer Type Jacketed Ball Valves and other products were selected in the "China Valve New Product List"
2008
In October, Successfully developed the Inclined Tank Bottom Ball Valve and Obtained the Utility Model Patent in China
In December, Tank bottom ball valve won the fourth "China International Fluid Machinery Exhibition" silver award products
2010
In August, The Vacuum Valve Business Department was established and began mass production of a full range of high vacuum valves
2011
In November, Successfully developed PN160 high pressure metal sealed ball valve
2012
In November, Won Wenzhou science and technology (innovation) enterprises
2016
In April, Passed the EU "CE" certification
In November, Attend the Valve World Expo 2016 in Dusseldorf Germany. 2017
In August, Launch new semiconductor high vacuum ball valve
2018
In October, Successfully developed a new product of inclined hard sealed jacketed tank bottom ball valve
2020
In October, Won the Zhejiang Province science and technology small and medium enterprises
2022
In September, the safety and low-pollution sampling valve was successfully developed
2023
In May, Control valve products are certified for functional safety "SIL3" In November, Join the control valve branch of China Mechatronics Technology Application Association