
Our Factory

As a professional bolt manufacturer with years of industry experience, we focus on the R&D, production and supply of high-quality bolts for various industrial fields.
Our production capacity is stable and reliable, and product performance meets international standards.
The detailed production capacity and core parameters are as follows:
Our Bolt Production Capacity & Product Specifications
Carbon Steel High-Strength Bolts
The monthly approximate capacity of carbon steel high-strength bolts is 1,500,000 Nos.
Core specifications & performance parameters:
– Material grade: 45# steel, 35CrMoA, 42CrMo, 20MnTiB
– Strength grade: 8.8, 10.9, 12.9
– Size range: M6 ~ M100 (customizable for large-diameter bolts)
– Tensile strength: 800MPa ~ 1220MPa (varies by strength grade)
– Application scenarios: Construction machinery, automobile manufacturing, wind power generators, bridge engineering, high-speed rail tracks, etc.
Stainless Steel Bolts
The monthly approximate capacity of stainless steel bolts is 1,200,000 Nos.
Core specifications & performance parameters:
– Material grade: 304, 316, 316L, 321, etc.
– Strength grade: A2-50, A2-70, A4-70, A4-80, A4-100
– Size range: M3 ~ M64 (customizable for non-standard sizes)
– Tensile strength: 500MPa ~ 1000MPa (varies by strength grade)
– Application scenarios: Food processing equipment, marine engineering, chemical pipelines, medical equipment, etc.
Segment Bolts (Tunnel Special)
The monthly approximate capacity of segment bolts is 300,000 Nos.
Core specifications & performance parameters:
– Material grade: 304 stainless steel, 35CrMoA, Q355B
– Strength grade: A2-70, 8.8, 10.9
– Size range: M16 ~ M48 (straight type & arc type customizable)
– Surface treatment: Hot-dip galvanizing, Dacromet, electro-galvanizing, passivation
– Application scenarios: Shield tunnel engineering, subway construction, road tunnel, water conservancy tunnel, etc.
Special Customized Bolts
The monthly approximate capacity of special customized bolts is 100,000 Nos.
Core customization scope:
– Special materials: Titanium alloy bolts, inconel alloy bolts, duplex stainless steel bolts
– Special structures: Double-ended bolts, anchor bolts, U-bolts, T-bolts
– Special processes: Heat treatment customization, surface coating customization, precision machining
– Application scenarios: Aerospace, nuclear power equipment, precision instruments, offshore oil platforms, etc.
Supporting Fasteners
While focusing on bolt production, we also provide matching fasteners with stable supply capacity:
– Nuts: Monthly capacity 1,800,000 Nos. (matching all bolt grades and sizes)
– Washers: Monthly capacity 2,000,000 Nos. (flat washers, spring washers, lock washers)
– Locking Parts: Monthly capacity 300,000 Nos. (lock nuts, cotter pins, stop washers)









High strength bolts Production Equipment(Factory 1)
| Facilities Name | Qty |
| Blanking machine | 1 Set |
| Single beam crane | 5 Set |
| Generator | 1 Set |
| Pressing machine | 2 Set |
| Thyristor intermediate frequency equipment | 4 Set |
| Thyristor intermediate frequency heat treatment equipment | 1 Set |
| Multi-station high speed cold forging machine | 4 Set |
| High speed precision thread rolling machine | 3 Set |
| Mesh belt furnace | 1 Set |
| Black treatment equipment | 1 Set |
Learn More Information
We know running a fastener factory is challenging. By perfecting our management and automated lines, we now ensure seamless production and on-time delivery for our partners.
