Mr. Han Zhenghai founded the Second Valve Factory in Dongkan Town, Binhai County

Renamed as Yancheng Suyan Valve and Pipe Fitting Factory, registering the "Suyan" brand for the first time

First time participating in Daqing Oilfield bidding and obtaining the first order with a total amount of 9.8 million yuan

On June 2000, the Party branch of Yancheng Suyan Valve Pipe Fitting Factory was established, with 3 party members. On August 2000, the trade union of Suyan Valve and Pipe Fitting Factory in Yancheng City was established with 22 members.

Overall relocation to the county industrial park start-up area, covering an area of 70 acres

Upgraded to Jiangsu Suyan Valve and Pipe Fitting Factory

Registered and established Jiangsu Suyan Valve Machinery Co., Ltd., moving towards modernization

In May 2010, it was relocated to the north area of the county industrial park, covering an area of 240 acres, opening the way for rapid development. In May 2010, Jiangsu Suyan Valve Group was established, with four subsidiaries under its jurisdiction, including Tonglian Water Treatment, Drive Equipment, Yunhai Construction, and Valve Research Institute.

That year, the company achieved an output value of 130 million yuan, breaking the 100 million yuan mark for the first time

150 acres of newly acquired land in the northern area of the industrial park, initiating the construction of the northern factory area

On January 2016, the construction of a new high parameter long-distance pipeline valve project with an investment of 500 million yuan began at No. 28 Century Avenue in the industrial park. On December 2016, the company's operating performance once again made history, breaking the 1 billion yuan mark and achieving a sales revenue of 1.395 billion yuan.

In December 2021, the company's sales revenue exceeded 2 billion yuan, reaching 2.246 billion yuan. In October 2022, with a total investment of 1 billion yuan, the first phase of the Jiangsu Maike Special Valve Technology Project, which produces 50000 sets of special valves annually, was completed and put into operation.

Suyan Group's sales revenue reached 3.5 billion yuan

Replacing the intelligent large flow project plot, with a new investment of 1.5 billion yuan, the construction of the Haihe Intelligent Control Equipment Project, which produced 80000 sets of intelligent control valves in the previous year, began and was put into operation within the year

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