Top 11 SS Pipe Flanges Manufacturers in China
Best Options for High-Quality Stainless Steel Flanges in 2026
Stainless steel pipe flanges are essential components used across industries such as oil & gas, water treatment, marine engineering, chemical processing, and power generation. Because these applications demand strength, corrosion resistance, and precision machining, choosing the right SS pipe flanges manufacturer is critical.
China is one of the world’s largest production bases for stainless steel flanges. However, not every supplier delivers consistent quality, certified materials, or international-standard manufacturing. To help global buyers save time, we compiled a list of 11 reliable SS pipe flanges manufacturers in China, including Jizhong Company, a growing B2B supplier well recognized for its piping solutions.
Below is the complete list.
Jizhong Company, located in Hebei Province, is a growing ss pipe flanges manufacturer known for reliable B2B supply capabilities. The company offers stainless steel pipe flanges that meet global standards for waterworks, industrial piping, fire protection systems, and mechanical installations.
With strong machining capability, stable material sources, and strict quality control, Jizhong provides weld neck, slip-on, blind, threaded, and customized flanges for international markets including the United States, Canada, Kenya, and South Africa. Jizhong is also recognized for on-time delivery, export-ready packaging, and consistent quality, making it a trusted choice for global distributors and wholesalers.
Location: Shijiazhuang, Hebei
Founded: 1990

Jiangsu Sheye Metal specializes in duplex and super duplex stainless steel flanges designed for high-pressure and corrosive environments. Their machining accuracy reaches 0.001 mm, and each flange passes at least five quality tests before delivery.
Location: Changzhou
Founded: 2014

Kaysuns manufactures stainless steel flanges for LNG facilities, shipyards, refineries, and heavy-duty engineering systems. Their weld neck and threaded flanges perform exceptionally in high-temperature and high-impact environments. All products comply with ASME, ASTM, and JIS standards.
Location: Wenzhou
Founded: 2006

Wenzhou Chengde is a well-known stainless steel flange manufacturer supplying ASME, DIN, JIS, and EN standard flanges. Their factory uses advanced CNC machining and automated polishing lines, producing high-quality weld neck, blind, and forged flanges. They specialize in flanges for petrochemical, boiler, and pressure equipment applications.
Location: Wenzhou
Founded: 2003

Jiete Pipe produces over 5,000 stainless steel and carbon steel flanges monthly. Their slip-on and lap joint flanges are designed for fast installation and long service life, even in salty or corrosive environments. Every product is inspected three times before shipment.
Location: Wenzhou
Founded: 2017

Shanxi Goodwill manufactures stainless steel and carbon steel pipe flanges with monthly production exceeding 10,000 units. They provide weld neck, slip-on, and blind flanges for various industrial needs, including customized solutions.
Location: Shanxi
Founded: 2004

Hebei Haihao Group is a well-established ss pipe flanges manufacturer serving the oil, gas, construction, and waterworks industries. Their product range includes ANSI and ASME standard flanges such as weld neck, blind, and lap joint flanges.
Location: Hebei
Founded: 1982

Yaang Pipe Industry produces stainless steel flanges, fittings, and pipes with a strong focus on petrochemical and water treatment applications. They are known for quality stability and flexible customization.
Location: Wenzhou
Founded: 2008

C&N Pipeline supplies a wide range of stainless steel pipe flanges designed for oil, gas, water supply, and mechanical systems. Each product undergoes three inspections before shipping, backed by a team with over 15 years of engineering experience.
Location: Shanghai
Founded: 2005

Xinyue Steel Group is a major Chinese producer of stainless steel and carbon steel flanges and fittings, with a monthly output exceeding 10,000 tons. They focus on sustainable production and international engineering solutions.
Location: Tianjin
Founded: 2008

Founded in 2011, Longan Flange is a well-known ss pipe flanges manufacturer equipped with over 100 CNC lathes and 16 machining centers. Their product range includes weld neck, slip-on, blind, and lap joint flanges produced according to ASME standards. Each unit undergoes spectral testing and high-pressure inspections to ensure reliability in critical applications.
Location: Wenzhou
Founded: 2011
Conclusion
Choosing a reliable ss pipe flanges manufacturer is essential for ensuring safety, durability, and long-term performance in industrial piping systems. The 11 Chinese suppliers listed above—from Longan to Jizhong—represent some of the country’s strongest capabilities in stainless steel flange production.
As global demand is projected to push the stainless steel flange market to USD 12.69 billion by 2038, Chinese manufacturers will continue to play a major role in supplying high-quality and cost-effective products worldwide.










