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Manufactured Superior Fasteners Over 20 Years

Superior Fasteners with Every Turn. Trusted by global industries for precision hardware, custom fasteners, and CNC machining services.

7x24 Instant Quoting
100% Inspections
ISO 9001:2015 Certified
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SOZN Fastener Manufacturing Facility

Powerful Supply Chain

On-Time Global Delivery

Who We Are

SOZN is a precision hardware manufacturer and fastening solution provider with over two decades of experience delivering high-quality fasteners and custom parts to industries worldwide.

20+

Years of Experience

10K+

Customers Served

500M+

Parts Manufactured

1000+

Material & Finish Options

Powerful Supply Chain

SOZN operates our own manufacturing facilities and collaborates with trusted partners across China. This strong supply network enables rapid production and scalable capacity for both standard and custom fasteners.

  • 700+ manufacturing lines
  • ±0.01mm tight tolerance
  • 7-day average lead time
Factory Interior Machining Process CNC Workshop Quality Inspection

Our Products and Capabilities

SOZN offers both standard and custom fasteners in imperial and metric sizes. With strong manufacturing and flexible customization, we deliver reliable fasteners for various industries.

Screw

Screw

Cold heading and thread rolling with high precision. Available in multiple materials and finishes.

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Bolt

Bolt

High-strength bolts for structural and mechanical applications. Metric and imperial sizes.

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Nut

Nut

Hex, lock, cap, and specialty nuts. Cold forged for durability and consistency.

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Spring

Spring

Compression, extension, and torsion springs. 120 machines dedicated to spring wire forming.

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Pin

Pin

Dowel, cotter, clevis, and taper pins. Precision machined for tight fit and alignment.

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Standoff

Standoff

Spacer and standoff solutions for electronics and mechanical assemblies.

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Rivet

Rivet

Solid, blind, and tubular rivets. Ideal for permanent fastening in aerospace and automotive.

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Custom Drone Parts

Custom Parts

Custom drone components, shafts, and CNC machined parts to your exact specifications.

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Quality You Can See From Start To Finish

At SOZN, quality is the cornerstone of our manufacturing ethos. We deploy cutting-edge expertise to ensure every fastener meets your specifications and is delivered on time.

Pre-Production

Risk mitigation through design validation and material certification (XRF analysis, RoHS compliance).

In-Process

Real-time monitoring with advanced metrology tools (CMM, 2D/3D scanners, calibrated gauges).

100% Inspection Before Delivery

Functional testing, dimensional verification (±0.005mm tolerance), and aesthetic evaluation.

98.9%
Perfect Order Rate
100%
Parts Shipped Worldwide
Quality Inspection Process

Certifications

ISO 9001:2015

The comprehensive quality management system shows standardized management and stable product quality.

IATF 16949:2016

Demonstrates a commitment to quality, consistency, and safety in producing and delivering vehicle devices.

Our Ordering Process

Simple, fast, and reliable – from quote to delivery.

01

Quote Time

Send your CAD or drawings to our email and communicate your demand.

02

Confirm Time

7x24 service department will confirm your part specifications and lead time.

03

Production

We communicate with our partner factory and start production immediately.

04

Quality Control

We continue to optimize for free until the parts meet your standards.

05

Delivery

We choose the most economical and suitable shipping agent to meet your schedule.

Ready to Get Started?

Contact SOZN Fastener today for a fast quote on standard or custom fasteners.

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