About Us


  • Support hundreds of products and a variety of materials, all have molds

  • We have complete solutions for large-size and high-pressure products

  • Passed CE (pressure equipment), ISO9001 quality system certification

  • Super long service life of the valve, stable operation for up to 16 years

  • Big brand professional OEM experience

  • 15 procedures, perfect quality inspection

  • 98% on-time delivery rate

  • A good after-sales service

  • Thousands of customers witnessed

  • Taking long-term mutual benefit with customers as the corporate purpose

  • Customs clearance documents and formalities support for most countries in the world


A Quality Dream of A Group of Engineers

ZG Valve was established in 2006. At that time, China was building a large number of infrastructure projects. However, ZG Engineering encountered the problem of uneven quality of domestic low-end valves and all high-end valves relying on imports. So many experienced machinery and fluids Design engineers, combined with a number of production units, co-founded ZG Valve.

Benefiting from the company's engineer culture, ZG Valve incorporates a large amount of on-site construction experience of ZG Engineering, combined with many years of fluid equipment design experience of the design department, and has embarked on the product road of designing and producing high-quality products to help the development of the industry. The design, development, production and quality control of ZG valves are controlled and guided by professional engineers. This enables ZG valves to achieve extremely stringent product quality while at the same time having excellent cost-effectiveness.

ZG products include various types of butterfly valves, gate valves, check valves, globe valves, ball valves, balance valves, Y-type filters, rubber joints, flanges, pipe fittings, etc. Products comply with GB, ANSI, JIS, DIN, BS standards.

ZG products and production workshops have passed CE certification for pressure vessels in the European Union. Products are mainly provided to the European and North American markets, and provide products and services to 103 countries and regions around the world.

ZG products are widely used in water conservancy engineering, environmental protection engineering, industrial production, heating engineering, farmland irrigation, chemical plants, oil and gas extraction, energy transmission and other fields. It has truly realized technology-led production and quality creation of value. From 2006 to 2019, ZG Valve's cumulative customer repurchase rate exceeded 70%.


As a group company, ZG has a factory of more than 20000m³, 200 workers and 15 engineers, can produce cast iron valves and stainless steel valves at the same time, it has a super productive capacity of 3 million units and can provide more than 10,000 valve models. ZG has Passed ISO9001: 2008 quality management system certification and obtained CE certificate. ZG is always ready to provide you with quality products and services.

High-Precision CNC

ZG high-precision CNC machining to ensure product accuracy.

Strong Production Capacity

ZG mass production ensure product consistency and fast delivery.

Perfect Quality Control

ZG full set of inspection equipment & quality inspection for each valve.

5000㎡+ Warehouse

ZG large warehouse to ensure timely delivery and stable prices.

Perfect Packaging

Rich experience for packaging and transportation valves of various sizes.

Perfect After-Sales

Professional after-sales and technical teams are alwys ready for you.


Our mission is to integrate rigorous engineer culture, the latest technology and long-term experience, as well as feedback and inspiration from project implementation, into product manufacturing, so that more customers can enjoy high-quality valve products.

ZG develops the global market with new and old customers with safe, reliable and economical valve products and perfect and thoughtful services.


ZG products are widely used in water conservancy projects, sewage treatment, industrial production, heating projects, farmland irrigation, seawater desalination, chemical plants, energy transmission and other fields, and have received good feedback. 

ZG valve has proved its stable and reliable quality and good after-sales in many projects.

Customer Feedback

Whether it is praise or criticism, ZG has always been very willing to listen. Thank you very much to every friend who gave valuable advice.


Please leave a message and we'll get back to you soon.


ZG hope that all customers can gain more trust, increase market share, and achieve revenue growth through ZG high-quality valves.

ZG hope that through the continuous efforts of the ZG team, with the best product quality and service, our life and production will be safer, more comfortable, environmentally friendly and efficient.

As a professional valve manufacturer in China, ZG has been producing and exporting butterfly valves, knife gate valves and check valves for over 15 years. ZG can quickly provide high quality and reasonable price full size valve products, while having very rich full size valve mold and rich production experience. Various materials such as cast iron, ductile iron, cast steel, stainless steel and bronze can be selected depending on the working conditions.

Chat with us