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Zhejiang Wanqiang Flange Co., Ltd.

Zhejiang Wanqiang Flange Co., Ltd is a professional manufacture of stainless steel and carbon steel flanges and pipe fittings series. It was located in the Longwan industrial district where is the original place of stainless steel in Wenzhou and is a high-tech enterprise with researching, developing, designing, smelting, forging and turning. Moreover, our investment amount is 8.1 million.


We have a wide rang of products including stainless steel flanges, carbon steel flanges, manholes with big DN, tube plates, pipe fittings, vacuum equipment flanges, sanitary butterfly valves, stainless steel sanitary unions, gaskets and so on. The materials are 304, 321, 304L, 316, 316L, 2520, 904L, 0cr18ni12mo2ti, carbon steel, heat-resistant steel etc. The main size is from DN15(1/2”) to  DN5000(200”). It also owns perfect CAD systems and excellent numerical control machines to produces, process and test equipment. All our products have meet the following standards: national standard, Japanese standard, British standard, French standard, American standard, Germany standard and Non-standard. Moreover, our company gets the ISO international quality management system certification earlier than any other professions, and also owns rights to import and export by itself, has CE and API certifications, CCS and BV certifications, as well as TS certifications. Since the company was found, the products was widely sold not only at home but also at abroad such as American, European and Southeast Asian countries.


Therefore, with the advantages of the credible quality-protected system and well-trained staff, we will offer you products with excellent qualities and best after-sales services. We insist on the guideline of quality first, customers first and credit first. Sincerely, we are warmly welcome the clients in and out of China, if you are interested in our products, please do not hesitate to contact us.


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Contact Details

Contact person:Cynthia

Country:China (Mainland)


Street address: No.7, Xinggong Road, Yongxing Industrial District, Longwan, Wenzhou, Zhejiang, China





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