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                  ● In May 1980, Zhao Lei, the chairman of China Shangzheng Valve Group Co., Ltd., began to work in the valve manufacturing industry.

                  ● In October 1988, the predecessor of China Shangzheng Valve Group Co., Ltd., “Yongjia County Zhengyi Automation Instrument Factory” was established.

                  ● In May 1996, the “Yongjia County Zhengyi Automation Instrument Factory” was approved by Zhejiang Administration for Industry and Commerce as “Zhejiang Zhengyi Automation Instrument Factory”.

                  ● August 1999 “Zhejiang Zhengyi Automation Instrument Factory” was listed as a key enterprise in Wenzhou Machinery Industry.

                  ● In July 2000, approved by the Zhejiang Economic and Trade Commission, Zhejiang Economic and Trade Reform [2000] No. 297, the provincial-level technical transformation project with a total investment of 28.5 million yuan was officially implemented.

                  ● In January 2001, Shangzheng's butterfly valve won the practical national new patent certificate (patent number: ZL002.31388.X).

                  ● In January 2001, Shangzheng Valve Group Co., Ltd. became a member of the Wenzhou Pump and Valve Industry Association.

                  ● In July 2001, Shangzheng products were rated as “Zhejiang Quality Valve Products”.

                  ● In October 2001, he successfully merged “Andong Valve Manufacturing Co., Ltd.” and changed its name to “Zhejiang Shangzheng Valve Group Co., Ltd.”

                  ● In December 2001, Shangzheng Industrial Park with a total investment of 60 million yuan, covering an area of 26,000 square meters and a construction area of 18,000 square meters was laid in the Dongpu Industrial Zone of Wenzhou City and began construction.

                  ● On August 25, 2002, China Shangzheng Valve Group Co., Ltd. became the designated manufacturer of China National Chemical Equipment Corporation.

                  ● In October 2002, “Shangzheng Metal Sealed Butterfly Valve” was rated as “Zhejiang Quality Trustworthy Product”.

                  ● In November 2002, Shangzheng Industrial Park opened and Zhejiang Shangzheng Valve Co., Ltd. officially moved into the company. Shangzheng Enterprise has a modern standard factory building since then.

                  ● In December 2002, Shangzheng Valve Group Co., Ltd. became a member of China General Machinery Valve Industry Association.

                  ● In December 2002, Shangzheng Valve Group Co., Ltd. passed the ISO9001 international quality management system certification.

                  ● In January 2003, Shangzheng's normally open solenoid valve won the utility model patent certificate (patent number: ZL02208419.3) and high temperature solenoid valve (patent number: ZL02 2 08418.5).

                  ● In April 2003, the products of China Shangzheng Valve Group Co., Ltd. were evaluated as “Recommended Products for Engineering Construction” by China Engineering Construction Association.

                  ● In May 2003, Shangzheng Valve was rated as Wenzhou Famous Brand by Wenzhou Municipal People's Government.

                  ● Approved by the State Administration for Industry and Commerce on October 23, 2003, it was upgraded to a non-regional company - "China. Shangzheng Valve Group Co., Ltd.".

                  ● In October 2003, Shangzheng Valve Group Co., Ltd. became a member of the first-level supply network of China National Petroleum Corporation.

                  ● In October 2003, Shangzheng Valve Group Co., Ltd. obtained API-6D certification from the American Petroleum Institute.

                  ● In December 2003, Shangzheng Valve Group Co., Ltd. was rated as “civilized private enterprise” by the Administration for Industry and Commerce.

                  ● In December 2003, China Shangzheng Valve Group Co., Ltd. was responsible for quality insurance for various power station valves, butterfly valves, ball valves, water control valves and American standard valves.

                  ● In December 2003, the company introduced complete testing equipment such as physical and chemical testing, radiographic inspection, magnetic particle inspection and spectral analysis. It is the only company in southern Zhejiang that has the complete set of equipment.

                  ● In March 2004, China Shangzheng Valve Group Co., Ltd. became a member of the National Power Company's power station parts supply network.

                  ● In March 2004, Shangzheng Products was awarded the explosion-proof certificate issued by the Electrical Instrument Explosion-proof Quality Supervision and Inspection Center of the Ministry of Chemical Industry.

                  ● In March 2004, Shangzheng's two eccentric hard seal ball valve obtained a new patent certificate (patent number: ZL 03 242096.X).

                  ● In August 2004, China Shangzheng Valve Group Co., Ltd. obtained the AZ national certification for pressure pipeline safety.

                  ● In July 2004, China Shangzheng Valve Group Co., Ltd. established a valve research and development center.

                  ● In October 2004, the magnetic level gauge of Shangzheng Valve Group Co., Ltd. obtained the license for the manufacture of measuring instruments in the People's Republic of China.

                  ● In 2000, 2001, 2002 and 2003, Shangzheng Valve Group Co., Ltd. was rated as “Star Enterprise” by the county government.

                  ● In 2001, 2002 and 2003, Shangzheng Valve Group Co., Ltd., the enterprise credit rating was rated AAA by the Agricultural Bank of China.

                  ● From 2001 to 2003, Chairman Zhao Lei was rated as an excellent factory manager (manager).

                  ● On August 8, 2004, Shangzheng Valve Co., Ltd. Shanghai Export Production Base was located in Shanghai Jiading Volkswagen Industrial Zone. The new industrial park covers an area of 80 mu.

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