In May, 1980, Chairman Mr.Zhao Lei began to be engaged in the valve manufacture profession.

In October, 1988, the predecessor of Sungo Valves Group ----"Yongjia County ZhengYi Automatic valve factory" is established, with main products of solenoid valve , Liquid Meter ,cast steel valves and etc.

In May, 1996, 5000 square-meter factory is established

In August, 1999, Compnay wins Wenzhou Mechanical Industry Key Enterprise".

In July, 2000, 28,500,000 RMB is invested for the great technical renewal.

In December, 2000, Company wins the star enterprise"; from the county government.

In January, 2001,our butterfly valve wins the Practical National New Letter Patent (the Patent Number: ZL002.31388.X锛?

In January, 2001, company takes part in Wenzhou Pump&valve Industrial Association.

In July, 2001, Our products is named as Zhejiang Province high quality valve product".

In September, 2001, obtained the approval of ISO9001 International Quality Control System by EWC.

In October, 2001,the company name changed to Zhejiang Shangzheng valves co.,ltd.

in August, 2002, named as Chinese Chemical Industry Equipment Main corporation Fixed-point production Enterprise.

In October, 2002, the metal sealed butterfly valve wins the honor of Zhejiang Quality Trustworthy Product".

In November, 2002, the modernized Shangzheng factory is established at Wenzhou Dongou Industrial district.

In December, 2002, became a member of Chinese General Mechanical Valve Profession Association.

In December, 2002, won AAA level(highest) enterprise credit rating.

In January, 2003, the normal open type solenoid valve, the high temperature solenoid valve obtained the Practical New Letter Patent (the patent number respectively is: ZL02208419.3, ZL02 2 08418.5).

In April, 2003, honored asthe Engineering Construction Recommends Products"; by the China Engineering Construction Association Evaluation.

In October, 2003, became the Level Supply Network member of the Chinese Petroleum Natural& Gas Main corporation (CNPC)

In October,2003, the name was changed to Shangzheng Valves co.,ltd".

In October, 2003, obtained API API-6D authentication.

In December, 2003, brought in gamma ray crack detection equipment and PMI material analyzer.

In March, 2004, successfully renewed the version of ISO9001:2000 authentication.

In March, 2004, became the supply member of National Electric power Company (CHINA POWER COMPANY).

In March, 2004, two OFF-SET metal sealed ball valves obtain the New Letter Patent (the patent number: ZL 03 242096.X).

In August, 2004, a modernization valves factory with 3.5 hectares area at Shanghai Jiading industrial district is established.

In August, 2004, honored as one of the 30 strong enterprises in the hometown of Chinese valves& pumps.

In September, 2004, obtained the manufacturer permission certificate by the National Quality testing Bureau pressure piping part (valve).

In October, 2004, invited Chinese valve authoritative expert Lu Peiwen and Wu Mingjing to be our technical advisors.

In October, 2004, The name changed to Shangzheng valve group limited company, with the registered capital amounts to 51,860,000 RMB.

In November, 2004, obtained the import and export licensef.

In December, 2004, the product is qualified as the country product quality spot-check.

In December, 2004, ge approval of ISO14001 (Environment Management System and OHSAS18001 (professional health safety control system).

In April, 2005, recognized as the Zhejiang enterprise AA level.

In May, 2005, hornored as vice-chairmen enterprise of Yongjia pump&valve industrial association.

In July, 2005, SUNGO obtains the famous trademark in the county.

In August, 2005, takes part in China International trade Council Promotion, and Wenzhou International Commerce Chamber.

In September, 2005, our gate valve is recognized as the Wenzhou famous brand products.

In September, 2005, honored as the standardized good behavior enterprise.

In September, 2005, honored as the measurement examination system qualified enterprise.

In January, 2006, obtained the API-607 ball valve fire protection certificate by TUV

In February, 2006, honored as the tax payment wealthy and powerful enterprise in 2005 year.

In March, 2006, became the Outstanding Supplier Unit for Shanghai Steam turbine Limited company.

In April, 2006, became the the supplier of National Essence Electric Power (Guohua Electric Power).

In April, 2006, obtained the CE-PED authentication, PED-B-98, (by the DNV authentication)

in May, 2006, became the biggest valve supplier for the Beijing Olympic Games project in 2008.