About Us


Jiangsu Suyan Valve Machinery Co., Ltd., founded in 1991, is a national high-tech enterprise that integrates scientific research and development, production and processing, and technical services. The company is located in the Industrial Park of Jiangsu Binhai Economic Development Zone, with a registered capital of 310 million yuan and total assets of 5 billion yuan. It covers an area of 80 hectares and a building area of 320000 square meters. Currently, it has 1300 employees, including 320 with a college degree or above and 350 engineering and technical personnel, Under the leadership of Chairman Han Zhenghai, after more than thirty years of ups and downs, we have made efforts in various aspects and developed rapidly.

  • Complete Production Equipment

    Complete Production Equipment

    Having over 1000 sets of sophisticated production equipment

  • Wide Product Coverage

    Wide Product Coverage

    Provide multi-directional industrial valve integration solutions

  • Technological Innovation

    Technological Innovation

    Developed over 300 new products successively

  • 1 On 1 Service

    1 On 1 Service

    Years of industry experience to meet customer needs

Enterprise strength

  • 310
    Registered Capital
  • 80
    Company Floor Area
  • 1300
    Current Employees
  • 60
    Strategic Partners


The company has complete production equipment, including over 1000 sets of excellent production equipment such as casting equipment, sand casting equipment, coated sand casting equipment, free forging equipment, hydraulic forging equipment, heat treatment equipment, CNC ball machining center, gantry machining center, CNC large vertical lathe bed, etc!


  • 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
  • 1991
  • 1997
  • 1999
  • 2000
  • 2001
  • 2002
  • 2005
  • 2010
  • 2011
  • 2012
  • 2016
  • 2020
  • 2022
  • 2023
  • Certificate of honor

    On the basis of inheriting mature industrial valve manufacturing and inspection, the company has digested and absorbed technology from domestic and foreign industries, conducted technology research and development and cooperation exchanges through multiple channels. Looking forward to the future, Suyan Group will adhere to the premise of quality, meet customer needs as its own responsibility, continuously research and innovate more environmentally friendly and energy-saving products to serve society, and aspire to build Suyan Group into an aircraft carrier in the valve industry.


    Address: No. 28 Century Avenue, Binhai County, Yancheng City, Jiangsu Province (Kanbei Industrial Park)

    Email: hai977@126.com

    Website: www.suyangroup.com

    • Official Account

    • Mobile Station

    Copyright © Jiangsu Suyan Valve Machinery Co., Ltd All rights reserved record number:苏ICP备17029185号-1