About Justwintec
Fastener Manufacturer & Export Partner in China
Shenzhen Justwin Technology Co., Ltd. is the exclusive export division of Zhongshan Shenghong Machinery Technology Co., Ltd., whose manufacturing base was established in 1993.
From our 10,000+ m² self-owned factory, we manufacture rivets, screws, bolts, nuts, pins and non-standard fasteners for wholesalers, distributors, engineers and industrial brands.
By combining experienced manufacturing with dedicated export service, we help buyers manage product development, quality inspection, lead times, packaging and shipment through one team.
Why Choose Us
Built to Reduce Your Fastener Sourcing Risk
Stable production, flexible customization and clear order follow-up help you control quality, cost and delivery.
Backed by a fastener factory established in 1993, with long-term experience in rivets, screws, pins and custom parts.
More than 80 production machines and over 150 tons of monthly capacity support repeat and volume orders.
We support drawing review, material selection, 3D design, tooling, samples and batch production.
Our production lines can handle small trial orders as well as large-volume purchasing programs.
Inspection covers incoming materials, product dimensions, threads, surface finishes, packing and shipment.
Choose from zinc plating, nickel plating, Dacromet, black oxide, chrome plating and other custom finishes.
Stocked standard items normally ship within 3–7 days. Custom molded parts generally take 15–30 days.
We can share production updates and quality inspection photos during the order process.
Custom logos, branded or neutral packing, customs documents and FCL/LCL shipping are available.
Meet Our Team
One Team from Drawing Review to Delivery
Our sales, engineering, production and quality teams work together to keep your requirements clear throughout the project.
Chosen by over 2,000+ top-tier brands and businesses of every scale.
Custom Fastener Support at Every Step
At Juatwin, quality service is our core value. As leading industrial fastener suppliers, our team of technical and sales experts, with over 30 years of industry experience, ensures that you receive the best solutions tailored to all your fastener needs.
Beyond our extensive product-use guidance and engineering support, we offer personalized services that meet your unique requirements for design and product dimensions across a range of industries.
From providing a fast, accurate quote to CAD drawings, tooling design, and on-time delivery, we take pride in delivering exceptional quality and customized service every step of the way.
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 every step in-house, from material sourcing and mold development to production, testing, plating and final delivery.
Raw Material Sourcing & Inspection
3D Product Design
Mold Development
Sample Confirmation
Batch Production & Processing
Multiple Quality Inspections
Plating & Surface Treatment
Salt Spray Testing
Custom Packing & Delivery
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
MEET US IN PERSON
Industry Exhibitions and Buyer Meetings
We attend industry exhibitions to present our products, meet global buyers and discuss drawings, samples and supply requirements face to face.
