Huadi Special Materials (Songyang) Co., Ltd.
Huadi Special Materials (Songyang) Co., Ltd. was established in June 2023 and is a wholly owned subsidiary of Huadi International Group, a globally recognized manufacturer of industrial stainless steel seamless pipes.
Parent Company Overview
Huadi Steel Industry Group Co., Ltd., founded in 1992, is located along the scenic Oujiang River in Longwan District, Wenzhou City, Zhejiang Province. It is one of the earliest enterprises in China dedicated to the manufacturing of stainless steel seamless pipes and a leading company in Wenzhou’s stainless steel industry.
Huadi is a publicly listed company specializing in industrial stainless steel seamless pipes (NASDAQ stock code: HUDI). With an annual production capacity exceeding 40,000 tons, the company ranked No.1 nationwide in stainless steel seamless pipe output for three consecutive years (2005–2007). It was also the first privately owned enterprise in Longwan District to achieve an annual output value exceeding RMB 10 billion.
Driven by a commitment to excellence and innovation, Huadi International Group successfully listed on NASDAQ in 2021. In 2013, the group made a strategic investment in a nickel ore and ferronickel production base in Indonesia, with an annual capacity of 300,000 tons. In 2023, the total output value of all Huadi-affiliated companies exceeded RMB 15 billion.
Manufacturing & Testing Capabilities
Huadi is equipped with advanced production and inspection facilities, supported by strong technical expertise and comprehensive testing capabilities. Major testing equipment includes:
- Mechanical property testing systems
- Eddy current testing
- Hydrostatic pressure testing
- High-sensitivity multi-probe ultrasonic flaw detectors (transverse & longitudinal)
- German-imported spectrometers
These facilities, combined with complete theoretical analysis capabilities, place Huadi among the leading stainless steel pipe manufacturers in China.
Products & Markets
Since its introduction to the market, the “Huagang” brand stainless steel seamless pipe has earned wide recognition and long-term trust from customers for its stable quality and reliable performance. With high-quality products and professional service, Huadi serves customers across the globe.
Main materials include:
- Austenitic stainless steels: 304, 304L, 304H, 321, 321H, 316, 316L, 317L, 310S, 347H, 904L
- Duplex & super duplex steels: S32205, S32507
- Outer diameter: 6–813 mm
- Wall thickness: 1–50 mm
- Length: 4000–30,000 mm
The company is a key supplier to major state-owned and large-scale enterprises, including:
- PetroChina
- CRRC
- China National Nuclear Corporation (CNNC)
Huadi products are exported to more than 30 countries and regions, including Germany, Italy, the United Kingdom, Canada, Austria, the United States, and New Zealand. The company holds independent import and export rights and provides safe, reliable, and high-performance stainless steel pipe solutions.
Application Industries
Huadi stainless steel seamless pipes are widely used in:
- Petroleum and offshore oil & gas
- Chemical and pharmaceutical equipment
- Aerospace
- Nuclear power
- Shipbuilding
- High-pressure boilers
- Heat exchangers and condensers
- Pressure vessels
- Water conservancy and electric power
Vision
Leveraging the strong industrial foundation and global resources of Huadi International Group, Huadi Special Materials (Songyang) Co., Ltd. is committed to delivering premium stainless steel seamless pipe solutions, supporting critical industries worldwide, and continuously creating value for customers through technology, quality, and service.














