Rivet Nuts & Stamped Fasteners
Blind rivet nuts (threaded inserts), stamped clip-on nuts and sheet-metal fasteners in a range of sizes and surface finishes for automotive and industrial assemblies.
Automotive-Grade Fasteners, Built to Zero-Defect Standards
Zhongshan Sanxin Hardware — an IATF 16949 certified manufacturer of bolts, screws, nuts and custom precision fasteners since 2000. One factory, fully in-house, from cold heading to laboratory testing.
- IATF 16949:2016
- ISO 9001:2015
- ISO 14001:2015
- Standard Parts & Custom OEM
Since 2000Fastener Manufacturer
10,000 tAnnual Production Capacity
0 PPM TargetZero-Defect Quality Objective
100%In-House Production & Testing
Automotive Quality SystemIATF 16949 certified — the standard demanded by OEMs
Standard Parts & Custom OEMStocked standards plus parts made to your drawings
Importer-Friendly TermsFlexible per-model MOQ and mixed-container orders
Direct Factory PricingBuy from the manufacturer — no middleman markup
About Sanxin
An Automotive-Grade Fastener Manufacturer Since 2000
Zhongshan Sanxin Hardware Products Co., Ltd. specialises in grade 8.8 / 10.9 / 12.9 high-strength bolts, weld nuts, rivet nuts, stamped fasteners, high-precision CNC turned parts and a full range of standard and special-shaped components. Our stainless passivated products meet a 2,000-hour salt-spray standard, and automated cold-heading, thread-rolling, heat-treatment and plating lines run under one roof.
Our quality, environmental and automotive management systems are certified to IATF 16949:2016, ISO 9001:2015 and ISO 14001:2015, operated together to drive a zero-defect process. We are recognised and recommended as a qualified fastener supplier by GAC R&D Institute, and our parts support new-energy vehicle systems, intelligent cockpits, seating and electric door/tailgate assemblies.
“Expert Manufacturing · Sincere Quality · Perfect Every Fastener.”
Products
Fasteners & Precision Components for Every Application
From high-strength automotive bolts to standard commodity fasteners and fully custom special-shaped parts — manufactured to DIN, ISO, ANSI, JIS or customer drawings, in carbon steel, alloy steel, stainless steel and titanium/magnesium alloys.
Automotive Screws & Small Fasteners
Flange bolts, machine screws, ball-stud screws and small assembly fasteners with sealing and anti-loosening features for trim and sub-assemblies.
Standard Fasteners & Nuts
Hex and flange bolts with matched hex and flange nuts, manufactured to international standards and well suited to distribution.
Specialty Screws & Small Hardware
A practical assortment of specialised screws and small hardware — thread-locking screws, washers, bushes, clips and other small assembly parts for precise, reliable fastening.
Electric Door & Tailgate Components
Precision-machined hardware for vehicle electric side doors and powered tailgates — ball-joint ends, threaded fittings and linkage fasteners.
Torx & Combination Screws
SEMS combination screws with captive washers, including Torx-drive and other drive styles — efficient one-piece fasteners for automated assembly lines.
Custom Special-Shaped Parts
Custom OEM cold-headed and CNC-machined parts made to your drawings or samples — spline shafts, ball studs and other special fasteners.
Industries Served
Where Our Fasteners Perform
Automotive is our heritage. The same zero-defect discipline now supports new-energy vehicles, intelligent seating and electric door systems, alongside distribution into the aftermarket.
Automotive & New Energy
Body, chassis and NEV battery, motor and electronic-control systems.
Smart Seating & Interiors
Seat tracks, recliners, frames and intelligent cockpit modules.
Electric Doors & Tailgates
Powered side-door and tailgate hardware and linkage assemblies.
Distribution & Aftermarket
Standard DIN/ISO/ANSI fasteners with flexible MOQ and mixed-container support for importers and distributors.
Why Sanxin
Why Buyers Choose Sanxin
01
Automotive-Grade, Zero-Defect Mindset
IATF 16949 systems, PPAP documentation and SPC process control — quality that passes strict vendor audits.
02
True Factory Direct Pricing
You deal with the manufacturer. No trading-company margins, with transparent cost structures for volume programs.
03
Flexible MOQ & Mixed Containers
Importer-friendly terms: per-model MOQ, mixed-container consolidation and loading-plan optimisation to maximise your container.
04
Standard Parts & Custom OEM
Order stocked standards directly, or send drawings or samples — our engineering team handles tooling, sampling and PPAP approval.
05
Export-Ready Documentation
Certificates, MTRs, packing lists and Middle East support (SABER/SASO technical files) handled by our export team.
06
Reliable Lead Times
Stocked standard items ship fast; custom parts run on controlled schedules with proactive order updates.
Ready to Request a Quote?
Send your drawings or part list. Our export team replies within 24 hours with pricing, MOQ, lead time and documentation.