Shuangjin Special Steel (formerly Suzhou Stainless Steel Material Factory, founded in 1992). Currently, the company has two production bases and three wholly - owned subsidiaries: Suzhou Shuangjin Industrial Co., Ltd. (in Suzhou High - tech Zone), Jiangsu Shuangjin New Materials Co., Ltd. (in Xinghua High - tech Zone), and Suzhou Seamless Steel Tube Factory (in Suzhou High - tech Zone). Shuangjin Special Materials is a technology - based, R & D - oriented and innovative enterprise. The company covers a total area of 89,000 square meters, with a building area of 65,000 square meters, and the total investment exceeds 300 million yuan.
Shuangjin has world - class metallurgical equipment, mature and stable technology, and safe and reliable technological processes. The smelting of special - function superalloys adopts the VIM + VAR double - vacuum two - step process and the VIM + PESR+VAR three - step process for production; it has metallurgical equipment such as vacuum induction melting (VIM), vacuum arc remelting (VAR), atmosphere - protected electroslag remelting (PESR) and conventional processes IF + AOD+LF + VOD. There are also processing equipment such as heat treatment furnaces, peeling machines, roller straightening machines, cold - drawing machines, and centerless grinding machines; and perfect testing equipment such as German Spectro direct - reading spectrometers, hardness testers, high - temperature tensile testing machines, impact testing machines, automatic and manual ultrasonic non - destructive testing machines, eddy - current non - destructive testing machines, corrosion testing machines, salt - spray testing machines, German Leica and Carl • Zeiss metallographic microscopes. Since 2005, Shuangjin has successively passed the certifications of Lloyd's Register ISO9001 - 2015 quality system, EU PED, IATF16949, ISO13485, Korean KR Classification Society, and German AD2000, and obtained the UKCA material recognition in 2022. It has established the quality assurance systems of Suzhou Shuangjin's nuclear power products in accordance with «HAF003 Safety Regulations for Quality Assurance in Nuclear Power Plants» and the national military standard «GJB9001C - 2017». It is a national specialized and sophisticated “little giant” enterprise, a provincial engineering technology center, a provincial technology center, and an advanced high - tech enterprise in the provincial machinery industry innovation, which closely cooperates with Xi'an Jiaotong University and Suzhou Nuclear Power Research Institute, integrates production, learning, research, application and business, and specializes in the R & D and manufacturing of high - quality special alloy functional new materials. It has always been committed to providing safe and reliable products for global nuclear power and high - end equipment manufacturing. For 31 years, the company has been focusing on the R & D and production of precision - forged special stainless steels, nickel - based alloys, precision alloys, superalloys, corrosion - resistant alloys, special steel bars, profiles and forgings. Its products are widely used in fields such as nuclear power equipment, aviation and military industry, automobiles and ships, medical devices, offshore engineering and petrochemicals, compressors, and turbines.
The main customers of Shuangjin are: China General Nuclear Power Group, China National Nuclear Corporation, State Nuclear Power Technology Corporation, China Huaneng Group, China Shipbuilding Industry Corporation, Aviation Industry Corporation of China, China Aerospace Science and Technology Corporation, PetroChina, Sinopec, Shanghai Electric Group, No.1 Machine Factory, Harbin Electric Corporation, Suzhou Neway Valve Co., Ltd., Emerson (USA), GE (USA), Dana, Benteler (Germany), KSB (Germany), Panasonic (Japan), Atlas Copco (Sweden), Faurecia (France) and other leading enterprises in the high - end equipment manufacturing industry.
Shuangjin Special Materials, with exquisite craftsmanship, is safe and reliable.
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