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Zhejiang Chengyuan Flange Pipe fittings Co., Ltd is a reputable high-tech enterprise located in Wenzhou Economic and Technological Development Zone Longwang, specializing in the research, development, and manufacture of stainless steel, carbon steel, and alloy flange and valve series products. The company boasts a range of imported and domestic finishing equipment and inspection equipment to ensure high-quality standards.

The company's main products include Stainless Steel Flanges, Duplex Steel Flanges, Super Duplex Steel Flanges, Pipe Fittings, Elbow Pipe Fittings, Tee Pipe Fittings, Cap Pipe Fittings, and various types of flanges such as SO (with flat welding neck flange), WN (with butt welding neck flange), IF (flange), SW (socket welding flange), and BL (flange cover). All products are manufactured in strict accordance with API, GB, HGJ, ANST, ANSI, JIS, DIN, SHJ, ISO, and GOST standards.

Zhejiang Chengyuan Flanged Pipe Fit Co., Ltd. offers a wide range of materials, including austenitic stainless steel such as 304, 304L, 304H, 316, 316L, 316Ti, 316H, 321, 321H, 347/H, 310S, 317L, 904L, and S31254/254SMO. They also provide dual-phase steel such as S31803/F51 and S32205/F60, and super dual-phase steel such as S32760, S32750/SAF2507/F55/F53. In addition, they offer nickel alloys including N06625/625, N084400/400, N08825/825, N10276/C276, 800/800H, and 600/600H.

The company's products are highly regarded by customers worldwide, with markets in Holland, Indonesia, Finland, Korea, Japan, Ukraine, Singapore, Russia, Spain, Vietnam, Malaysia, and the Middle East. Zhejiang Chengyuan Flanged Pipe Fit Co., Ltd. takes pride in its achievements in market share and customer satisfaction.

Corporate Culture

Our company is committed to achieving customer satisfaction and building strong partnerships with suppliers. Through the joint efforts of our employees, we aim to create valuable products and services that exceed customer expectations, while also creating more profits for our shareholders.

We believe in the importance of employee development and growth, and strive to create a work environment that fosters continuous learning and improvement. By integrating personal and professional development into every aspect of our work, we aim to promote the growth of our employees and the success of our company.

Our corporate culture is founded on two key principles: a customer-centric approach and a focus on employee development. We are dedicated to meeting the unique needs and requirements of each customer, and work tirelessly to create value for their businesses. Additionally, we are committed to investing in the growth and development of our employees, and believe that this will drive the long-term success of our company.

Flange Workshop Equipment:

The flange workshop is a specialized work area for the production of flange products, which mainly includes various equipment and tools for processing flange products, including but not limited to the following:

1.CNC lathes: precision equipment used for the automatic processing of flange products.

3.CNC milling machines: numerical control equipment used to process the surfaces of flange products.

3.Drilling machines: tools used for drilling and opening holes.

4.Band saws: equipment used for cutting flange products.

5.Hydraulic presses: tools used for processing large flange products.

6.Gear hobbing machines: tools used for processing gears on flange products.

7.Welding equipment: equipment used for the welding process of flange products, such as welding robots and manual welding equipment.

8.Inspection equipment: equipment used for quality inspection and testing of flange products, such as ultrasonic flaw detectors and hardness testers.


The use of these equipment can improve production efficiency and product quality, ensure the stability and reliability of the production line, and meet the needs of customers.


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