Factory direct supply with in-house Zn-Ni plating line. 1,000+ hours salt spray resistance. M4 to M100, Grade 4.8 to 12.9. Serving automotive, construction, and energy industries worldwide.
1,000+ Hours
Salt Spray Resistance
Years Experience
Tons/Month Capacity
Skilled Workers
Export Countries
Full range of high-strength fasteners from M4 to M100, all available with our signature zinc-nickel alloy plating for extreme corrosion resistance.
Not just fasteners — fasteners engineered for extreme environments
Our own zinc-nickel alloy plating line delivers 1,000+ hours salt spray resistance per ASTM B841. No outsourcing — we control every step of the coating process.
From raw material to finished product: hot forging, cold forging, heat treatment, CNC machining, and surface treatment — all under one roof.
GB, DIN, ISO, ANSI, ASTM, SAE, IFI, AS, BS, UNI, JIS — we manufacture to virtually any international fastener standard.
Starting from 500 pcs for trial orders. Custom dimensions, non-standard grades, and special coatings available on request.
20 multi-station cold forging machines, 2 hot forging lines, and automatic heat treatment ensure stable supply for bulk orders.
Exporting to the Middle East, Europe, Australia, and the Americas. FOB Ningbo with full export documentation support.
Our zinc-nickel plated fasteners protect critical connections across the world's most demanding industries.
Engine, chassis & brake systems
Structural steel connections
Wind turbine & solar mounting
CNC & industrial equipment
Bridges & railway infrastructure
Pipeline flanges & valves
Farm equipment & implements
From inquiry to delivery in 4 simple steps
Tell us the specs, quantity, and coating you need
⏱ 5 min
Our team reviews and provides a detailed quote
⏱ 12 hours
Free samples shipped for your approval
⏱ 3-7 days
Mass production with full QC, FOB Ningbo
⏱ 15-25 days
Get a quote within 12 hours. Free samples available.
