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.
Powerful Supply Chain
Sozn operates our own manufacturing facilities and collaborate partners across China. This strong supply network enables rapid production and scalable capacity for both standard and custom fasteners, ensuring consistent quality, competitive lead times, and reliable solutions for your projects.
700
manufacturing lines
0.01
tight tolerance
7
days lead time
spring factory
120 machines focus on spring wire forming
Dongguan workshop
50 machines focus on CNC milling
Automatic Lathe workshop
40 machines focus on automatic machining
Screw machining workshop
30 machins focus on cold heading and thread rolling
CNC lathe workshop
50 machines focus on CNC milling
Nut machining workshop in Huizhou
40 machins focus on cold heading
Let’s work together
Some numbers about SOZN
Quality You Can See From Start To Finish
98.9%
perfect order
100%
parts send all over world
More than 60+ companies trusted SOZN
Precision hardware manufacturer.
Fastening solution provider
The worldwide network of partners gives you access to virtually unlimited small-volume manufacturing capabilities through one trusted partner.
20M+
Parts manufactured
10,000+
Hours of monthly machined capacity,on demand
2,000+
combination of material,process,finish options
Production-Grade Quality Inspection Capabilities
SOZN offers a wide range of quality inspection service with strict QC process.
XRF material verification gun
A wide range of gauges (telescoping, bore, height, surface roughness, feeler, thread, pin)
Precision scales
Coordinate measuring machines (CMM)
Testing devices for stress, impact, hardness, mold flow index
Gauge blocks and pins
3D scanners
Profile projectors
Array of micrometers and calipers
Quality Certification
SOZN’s quality management system is ISO 9001:2015 certified. We also have manufacturing partners in our ecosystem with the following certifications:
AS9100D
ISO 9001:2015
IATF 16949:2016
Our Ordering Process
01
Quote Time
Send your cad or drawings to our email and communicate your demand
02
Confirm Time
7*24 service department will confirm your part detailed specification and communicate the lead time
03
Production
We will communicate with our partner factory about the plan of producing your parts and start immediately
04
Quality Control
All the factories are our partners and we will continue to optimize for free until the parts meet your standards.
05
Delivery
We will choose the most economical and suitable shipping agent to meet your schedule and save costs
