JN VALVES (China) Co., Ltd is the core holding subsidiary of Jiangnan Holding Group. It is an international trade center based in Shanghai, an international metropolis. We have over 600 employees and our plant cover an area of 88,000 square meters in the core industrial district of Wenzhou, Zhejiang Province. With more than 30 years’ experience, we have focused on the design, research and development, manufacturing, sales and service of industrial valves. We are committed to providing customers with a complete set of industrial valve solutions. We provide various industrial valves that comply with API, EN, GB, ISO, ASME and other international standards. Our products cover butterfly valves, ball valves, gate valves, globe valves, check valves, regulating valves, nuclear power valves and various special valves. We have a research and development team led by academicians of the Chinese Academy of Engineering and have obtained more than 120 patents. The series of industrial valve products are exported to more than 50 countries and regions, and long-term strategic partnerships have been established with dozens of internationally renowned end users.

JN Valves has passed ISO 9001 system certification, ISO 14001 environmental system and occupational health and safety management system certification, CE certification, TS certification, API-6D certification, SIL certification and so on.

Professional production, modern management, rigorous enterprise style, extensive application experience, innovative product technology and our professional service team. These factors not only ensure that we can calmly deal with the complex, diverse and harsh environmental fields of the valve industry, but also guarantee that we can provide users with system solutions from valve selection to high-quality product manufacturing and professional after-sales service.

Our goal is to continuously develop advanced technologies and products in the fields of nuclear power, petroleum and petrochemical, electric power, energy supply, etc., and provide solutions for the safety of global energy transmission, giving domestic and foreign customers with higher-quality products and better services. Maximizing the benefit of customers is our consistent pursuit of value.

Production equipment

  • 8M Vertical car, 100T train to achieve ultra-large valve processing
  • HIGH-END CNC processing equipment to ensure the accuracy of the key parts of the valve
  • Intelligent workshop, to replace people with machine, to achieve Robot welding. Automatic loading, unloading and clamping by robot.

development history


Jiangnan Valve Co., LTD was established


The amount of sales exceeded 15 million dollars. Jiangnan Holding Group was established.


In 2007, Jiangnan Valve obtained the civil nuclear safety design and manufacturing license, and began to upgrade to nuclear valve enterprises

In 2012, millions of kilowatts of nuclear reheat valve sets were completed for domestic production


Jiangnan Valve has obtained the certification of the first batch of demonstration enterprises and intellectual property system in Zhejiang Province


Shanghai JN VALVES (CHINA) CO.,LTD. was established as the international trade center of Jiangnan Valve.