Huadi Steel Industry Group Co., Ltd. was founded in 1992. Since 1998-2022, it has successively invested in the construction of perforation, cold rolling, steelmaking workshops and steel rolling plants, and has introduced advanced smelting, cold rolling/cold drawing, inspection and testing. Production equipment. Since 1999, it has obtained ISO9001 certification and a national industrial product production license. It is a stainless steel seamless pipe group company specializing in the production of various materials. It has strong technical strength, advanced production equipment and complete testing methods. The products are currently sold all over the country, covering all industries, and have self-operated import and export rights, and are sold to India, Malaysia, South Korea, Singapore, Chile, Pakistan, UAE, Indonesia, the United States, Brazil, Jordan, Canada, Germany, Australia, Italy, Iraq "Huagang" brand stainless steel pipes have been well received by domestic and foreign users for large, medium and key projects in dozens of countries and regions such as Thailand, Turkey, New Zealand, and Israel.

The company owns AOD refining furnace; 650 rolling mill, Ф50, Ф90, Ф133 type perforation units, 18 production lines of 10T-250T cold drawing unit, LG120H type 1 LG80 type 1 LG60H type 8 LG50 type 2 and LD60 type 1 LD30 1 cold rolling production line, with mechanical tests, ultrasonic flaw detection, eddy current flaw detection, hydraulic pressure test, German imported spectrometer and other testing equipment, as well as supporting physical and chemical analysis facilities. It is a complete unit of production and testing equipment among its peers in China. The company has refined One-stop production of steel, rolled steel, hot-rolled perforation, cold drawing/cold rolling, inspection and testing/chemical analysis. Over the years, the company has focused on scientific and technological research and development and established a Science and Technology Association and a Technology R&D Center. It is currently a high-tech enterprise in Longwan District, Wenzhou City.

The main varieties are: 304, 304L, 304H, 321, 321H, 316, 316L, 317L, 310S, 347H, S31500, S31803, S32205 stainless steel seamless pipe specifications include (6MM-720MM) OD× (1.00MM-30.00MM) WT × (4000-15000MM) LONG; and OD12MM-OD300MM stainless steel round steel, special materials and specifications can be produced and supplied after negotiation between the supply and demand parties. Suitable for petroleum, chemical industry, chemical fiber, smelting, aerospace, papermaking, food, shipbuilding, environmental protection, high-pressure boilers, heat exchangers, pressure vessels, condensers, water conservancy, electricity and other industries.