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| Category | Product Type | Size Range | Material | Standard Compliance |
|---|---|---|---|---|
| Nuclear Power Fasteners | Full Thread Stud | M10-M120 | Carbon/Alloy/Stainless Steel | GB/T901, SH/T3404, ASTM A193 |
| Hexagon Bolt | M10-M68 | Carbon/Alloy/Stainless Steel | GB/T5782, GB/T5783 | |
| Hexagon Nut | M10-M120 | Carbon/Alloy/Stainless Steel | GB/T6170, HG/T20634 | |
| Screw Rod | M10-M120 | Carbon/Alloy/Stainless Steel | GB/T15389 | |
| API Series | Threaded Stud | 3/8" - 5" | Alloy Steel, Stainless Steel | API 20E/20F, ASTM A320 |
| Heavy Hexagon Bolt | 3/8" - 5" | Alloy Steel, Stainless Steel | API 20E/20F, Forging Process | |
| Gate Valve Bolt | M20-M120 | Alloy Steel, Stainless Steel | API 20E/20F |
Founded in 1958 and rooted in the machinery manufacturing industry for 67 years, our Group is a national high-tech enterprise. From a local repair workshop to a standardized joint-stock enterprise, we have always adhered to the core philosophy of "Integrity for Long-Term Success, Syncing with the Future." With top-tier qualifications and full-chain production capacity, we focus on four core areas: high-efficiency heat exchangers, high-strength fasteners, heavy-duty forgings, and automotive components.
Holds A1/A2 pressure vessel design qualifications, ASME "U" & "NB" stamps, IATF16949 certification, etc., aligning quality standards with international benchmarks to provide reliable assurance for global clients.
A core supplier to major energy corporations and a long-term partner for domestic and international automotive OEMs. Products are exported to Europe, the U.S., the Middle East, and Central Asia.
Established high-end platforms including Provincial Enterprise Technology Center and Academician Workstation. Equipped with 2,000+ sets of internationally advanced production and testing equipment including DISA molding lines and ARL spectrometers.
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