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| Category | Product Type | Specifications | Material | Standard |
|---|---|---|---|---|
| Nuclear Power Fasteners | Full Thread Stud | M10-M120 | Carbon/Alloy/Stainless Steel | GB/T901, ASTM A193, etc. |
| Hexagon Bolt | M10-M68 | Carbon/Alloy/Stainless Steel | GB/T5782, GB/T5783 | |
| Hexagon Nut | M10-M120 | Carbon/Alloy/Stainless Steel | GB/T6170, HG/T20634 | |
| Washers (Flat/Spring) | M10-M68 | Carbon/Alloy/Stainless Steel | GB/T97.1, GB/T93 |
| Series | Item Name | Size Range | Application Details |
|---|---|---|---|
| API Series | Threaded Stud / Socket Head Cap Screw | M10-M120 (3/8" - 5") | API 20E/20F, Forging process |
| Petrochemical | Double-headed Stud / Monel Fasteners | M10-M120 | High/Low Temp Resistance (8.8S-12.9S) |
| Steel Structure | Hexagon / Twist-off Bolt Assemblies | M10-M62 | GB/T 1228, DIN standards |
Founded in 1958 and rooted in the machinery manufacturing industry for 67 years, we are a national high-tech enterprise. Our facility spans a total area of 360,000 square meters. From a standardized joint-stock enterprise to ISO9001 certification, 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, Special Equipment Manufacturing License, and IATF16949 certification, aligning quality standards with international benchmarks.
A core supplier to major energy corporations and long-term partner for automotive OEMs. Products are exported to Europe, the U.S., the Middle East, and Central Asia.
Equipped with 2,000+ sets of internationally advanced equipment, including DISA molding lines and Inductotherm electric furnaces. We hold 214 patents and employ over 300 engineering technicians.
• Express: For small orders, we utilize TNT, DHL, UPS, or EMS.
• Freight: For large orders, we recommend Air or Sea Shipping through nominated agents.
• Bulk: Freight collect available for bulk shipments.
