SINCE 1993
Custom Fastener Manufacturer for Global OEM Projects
Justwintec is a custom fastener manufacturer in China, producing rivets, screws, bolts, nuts, pins and drawing-based parts with flexible MOQs, strict QC and reliable delivery, backed by 30+ years of manufacturing experience.
Experienced manufacturing and R&D support for standard and non-standard fasteners.
80+ production machines and over 150 tons of monthly capacity support reliable delivery.
Drawing-based development, flexible trial orders and full-process quality inspection.
What we offer
Standard and Custom Fasteners for Industrial Buyers
We manufacture standard and custom fasteners for industrial assembly, hardware, automotive, furniture, luggage and other applications. Products can be made according to drawings or relevant GB, BS, DIN and JIS requirements.
Available materials include carbon steel, stainless steel, aluminum, brass, alloy steel, titanium and other specified materials.
Semi-tubular rivets, solid rivets, step rivets, shoulder rivets, pop rivets and special rivets for different joining and rotating structures.
- Custom Sizes
- Low MOQ
- OEM/ODM
Self-tapping screws, machine screws, self-drilling screws, wood screws and special screws in different head styles, threads and finishes.
- Custom Sizes
- Low MOQ
- OEM/ODM
Non-standard screws, bolts, rivets, nuts, pins and special metal parts developed from your drawing, sample or application requirements.
- Custom Sizes
- Low MOQ
- OEM/ODM
Hex bolts, flange bolts, shoulder bolts, carriage bolts, studs and drawing-based bolts for industrial and mechanical assemblies.
- Custom Sizes
- Low MOQ
- OEM/ODM
Dowel pins, grooved pins, knurled pins, locating pins, stepped pins and custom pins for positioning, connection and movement control.
- Custom Sizes
- Low MOQ
- OEM/ODM
Hex nuts, flange nuts, lock nuts, rivet nuts, round nuts and custom-shaped nuts for different industrial fastening and assembly needs.
- Custom Sizes
- Low MOQ
- OEM/ODM
Our Industrial Manufacturing Ranges
30+ Years Industry Experience
From precision automotive parts to corrosion-resistant outdoor hardware, we match materials, tolerances, finishes and inspection methods to your product’s actual assembly and use requirements.
More than 10 years of experience supplying decorative and reinforcing rivets for Coach-related luggage projects, focusing on clean assembly, lasting gloss and corrosion resistance.
Small-batch custom screws and precision parts with drawing review, failure analysis and structural optimization support for medical equipment development and testing projects.
Precision screws, bolts, rivets and pins with tolerance control up to ±0.05 mm for applicable parts, supported by process inspection, CCD sorting and traceable measurement reports.
More than 10 years of supply experience and over 300 dedicated fasteners developed for sliding doors, shower-room rollers, furniture fittings and home appliance assemblies.
Corrosion-resistant fasteners for tents, marine components, solar and wind mounting systems, fences, umbrellas and outdoor access equipment in demanding outdoor environments.
Semi-tubular rivets and custom fasteners designed for repeated folding, vibration and load-bearing use, with material and plating options that support export compliance requirements.
Why Choose Us
Core Manufacturing & Service Advantages
Stable production, flexible customization and clear order follow-up help you control quality, cost and delivery.
Over 30 years of manufacturing experience and technical knowledge, with practical guidance for product development and production.
More than 80 Taiwan-imported production machines support a monthly capacity of over 150 tons.
Factory advantage: 10,000㎡ self-owned factory, direct manufacturer, cost & lead time controllable.
Quality is controlled from raw material inspection and production to packing and shipment.
6 years of export experience, supporting quotations, samples, documentation, customs clearance and shipping.
We have served over 2,000 companies, including more than 50 customers who have worked with us for over 20 years.
We can support OEM/ODM customized development, new product trial production.
Whole-process order follow-up: update production schedule & QC inspection photos regularly, guarantee on-time delivery and inform any unexpected issues timely. Products with quality issues can be returned and replaced as needed.
Large quantity orders can be customized with packaging and logos as per requirements.
Leading Custom Fastener Manufacturer In China
Shenzhen Justwin Technology Co., Ltd. serves as the exclusive export division of Zhongshan Shenghong Machinery Technology Co., Ltd,which is established in 1993 and is a fastener company that integrates product research and development, sales and services.
Our integrated manufacturing base is equipped with complete production lines, a standardized quality control system and a professional technical team. We adopt unified standards in production management, quality inspection and R&D.
We specialize in the global supply of fasteners, hardware parts and customized mechanical components. Backed by integrated factory operations, we offer genuine factory-direct pricing, consistent and sufficient supply, as well as efficient, standardized one-stop export services.
We strive to deliver high-quality products and thoughtful international trade support for global clients, aiming to establish long-term, stable and win-win partnerships worldwide.
30+ Years of Fastener Manufacturing Experience
With more than 30 years of production and product development experience, we understand the requirements of standard fasteners, special fasteners and OEM projects.
High Quality
Technology
Sustainability
Our complete production lines allow us to arrange both small trial orders and large-volume production.
We support growing companies with flexible custom fastener development and negotiable MOQs based on the product and process.
We inspect each stage from incoming materials and production to surface treatment, packing and shipment.
Production and inspection are managed according to ISO 9001 procedures. Factory inspection reports can be provided, and third-party testing can be arranged when required.
Standard items in stock normally ship within 3–7 days. Rush orders can receive priority scheduling to help meet your shipment plan.
Custom fasteners and molded parts normally ship within 15–30 days, depending on product complexity.
OUR FACTORY
Fastener Manufacturing Facilities
Our 10,000+ m² self-owned factory is equipped with more than 80 production machines, supporting stable production for screws, rivets, pins and custom fasteners.
CUSTOM PRODUCTION PROCESS
From Your Drawing to Finished Fasteners
We manage each step from material inspection and tooling to batch production, testing, plating and final shipment.
01. Raw Material Inspection
02. 3D Product Design
03. Mold Development
04. Sample Approval
05. Mass Production
06. Electroplating
07. Multiple Quality Inspections
08. Salt Spray Testing
09. Packing and Shipping
QUALITY & COMPLIANCE
Certificates and Test Reports for Buyer Review
Relevant quality and compliance documents can be provided based on the product, material, surface finish and destination market.
ISO 9001 Quality Management System
EN 71-3 Material Safety Testing
REACH Chemical Compliance
RoHS Restricted Substance Compliance
Client Testimonial
What that say about Justwintec
Other Questions
FAQs
Yes. We manufacture custom screws, rivets, bolts, nuts, pins and special fasteners based on your drawing or sample.
Small trial orders are available. MOQ depends on the material, size, process and tooling requirements.
Mold development normally takes 7–15 working days.
Minor mold adjustments for sample improvement can usually be made without an additional charge. Major structural changes will be quoted separately.
Common materials include:
- Carbon steel
- 40Cr alloy steel
- Stainless steel SS304 and SS316
- Stainless steel A2 and A4
- Brass
- Aluminum
- Titanium
Other materials can be discussed according to your application.
Available surface treatments include:
- Zinc plating
- Black oxide
- Dacromet
- Nickel plating
- Chrome plating
- Zinc-nickel alloy coating
For zinc-plated products, salt spray resistance can be customized from approximately 48 to 500 hours depending on the coating system and project requirements.
Standard items in stock normally ship within 3–7 days.
Custom molded products normally require 15–30 days after sample confirmation.
Yes. We support OEM-branded packaging, custom logos and neutral export packaging.
Please provide:
- Drawing or sample
- Material
- Surface treatment
- Order quantity
- Required tolerance
- Target standard
The more complete the information, the faster we can provide an accurate quotation.
Yes. We can assist with export documentation, customs clearance and worldwide FCL or LCL shipment arrangements.
Send us a message
Feel Free to Reach Out for Further Details.
Looking for reliable fastener solutions? Justwintec is here to support your project with professional service, fast response, and stable factory supply.
