Automotive Wiring Harness
Vehicle harnesses fail for predictable reasons: underspecified wire gauge, marginal crimp height, missing strain relief at a branch, or a connector that was never.
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IATF 16949:2016 · ISO 9001:2015 · Since 2014
Custom Wire Harness Manufacturer for Automotive, New Energy and Industrial Applications
Linkssor is a wire harness manufacturer based in Dongguan, China, holding IATF 16949:2016 and ISO 9001:2015 certification. We build custom automotive wiring harnesses, EV high-voltage cable assemblies, appliance harnesses and industrial control harnesses for OEM and ODM programmes — to your drawing or to your sample. Rated capacity is 100,000 harness sets per month across 8 assembly lines, with a typical 5–7 day sample turnaround.
2014Established in Shenzhen & Dongguan, China
100,000Harness sets monthly capacity
8Assembly lines · 65 skilled staff
100%On-time delivery target
Trusted by automotive Tier-1s, appliance brands and machinery builders
IATF 16949:2016ISO 9001:2015National Sci-Tech SME3 software copyrights1 utility model patentSince 2014
Product families
Six product families built to the same automotive-grade discipline
Every family runs on one quality system and one engineering process. Choose the product best matching your application — then send us the drawing, sample or specification.
EV & Energy Storage High-Voltage Cable Assembly
High-voltage assemblies are unforgiving: one marginal crimp becomes a thermal event. We treat the crimp as a controlled process with cross-section verification on.
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Electric Two-Wheeler & Powersports Harness
Two-wheeler harnesses live outdoors: rain, vibration, UV and constant flexing at the head tube. The specification that matters most is sealing and strain relief at.
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Home Appliance & Consumer Electronics Harness
Appliance programmes are won and lost on cost, consistency and packaging. Harnesses are flat-packed for robot or bench assembly, labelled to the appliance BOM, and.
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Construction & Off-Highway Machinery Harness
Off-highway harnesses have the hardest life in the industry. Our answer is physical: heavier gauge where flexing happens, full conduit coverage rather than partial,.
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Industrial Automation & Control Harness
Automation customers care about two things beyond price: signal integrity and cable life in a continuously flexing axis. We specify high-flex conductor construction.
See detailsODM / OEM custom manufacturing
Bring a drawing. Bring a sample. Or bring a problem.
Most of our programmes start with incomplete information. That is normal. We work from whatever you have — a 2D drawing, a 3D model, a competitor sample, a wiring diagram, or just a connector list — and take it to a tested, shippable harness.
Build to Drawing
Manufacture strictly to your drawing and BOM. We confirm DFM, run first-article inspection and hold tolerances on cut length, crimp height and pull-out force.
Learn moreBuild to Sample
Send a physical sample. We measure, identify connectors and wire, reverse engineer the drawing, then quote a drop-in replacement with documented equivalency.
Learn moreEngineering & DFM Support
Stress simulation, wire-routing optimisation, connector selection, waterproof connector design and harness DFM/DFA review before tooling is cut.
Learn morePrototyping & NPI Ramp
Sample within 5–7 working days, validated by 100% electrical test, then a controlled transfer to volume with PPAP-style documentation and traceability.
Learn moreScope note — read before you specify us. Our IATF 16949:2016 certificate covers manufacturing of wire harness and explicitly excludes product design under Clause 8.3. Engineering, simulation and connector-design work is carried out by our Shenzhen technology entity, which owns three registered software copyrights and one utility model patent. We state this openly because European and North American purchasing teams need to know exactly which scope is certified.
Why Linkssor
The reasons buyers switch, in their own words
01
Certified where it counts
IATF 16949:2016 (cert 0597346) and ISO 9001:2015 certification held on the manufacturing entity — not on a trading company. Certificates, scope and expiry dates are published in full.
02
Engineering software in-house
We run our own harness stress simulation system, machine-vision wire-sequence verification platform and processing-parameter control system — all registered copyrights, all deployed on our lines.
03
Quality measured in PPM
Process pass rate ≥98%, shipment lot pass rate ≥99%, assembly defect rate ≤60 PPM. Measured monthly, reported to customers on request.
04
Sample speed that fits a development schedule
5–7 working days for typical prototype harnesses. Parallel sample builds for A/B variants when your validation plan needs them.
05
Direct engineering contact
You talk to the process engineer who owns your project — not a relay of sales people. English-language technical correspondence, drawings returned in your preferred format.
06
Traceability from reel to carton
Lot-level traceability on wire, terminals, seals and housings, tied to the test record of each harness. Recall scope can be closed in hours, not weeks.
Manufacturing capability
3,600 m² of dedicated harness production
Two facilities in the Guangdong manufacturing belt: engineering and technology development in Shenzhen, volume manufacturing in Dongguan Chang'an — 45 minutes apart.
3,600 m²Total plant footprint
8Assembly lines
65Employees
100,000Sets per month
Production equipment
- Semi-automatic terminal machines — 15
- Fully automatic terminal / crimping machines — 5
- Computerised wire cutting & stripping machines — 4
- Automatic electrical test stations — 6
In-house laboratory
- Salt spray corrosion chamber
- Constant temperature & humidity chamber
- Flex / swing endurance tester
- Terminal pull-force tester
- Terminal micro-section analysis (crimp cross-section)
Quality system
Five gates between your drawing and your dock
Our process follows the discipline of IATF 16949:2016 applied to the full product realisation flow — from requirement capture to continuous improvement.
Requirement review
Drawing, BOM and specification check; DFM feedback issued before quotation is final.
Product design review
Connector, wire and seal selection; routing and stress simulation where applicable.
Process design
Cut length, crimp height, pull-force and test parameter definition; fixture and forming-board design.
Product & process validation
First-article inspection, crimp micro-section, 100% electrical test, environmental sampling.
Continuous improvement
PPM and pass-rate tracking, corrective action on any excursion, feedback into the next build.
Quality targets
- Process pass rate≥ 98%
- Shipment lot pass rate≥ 99%
- Assembly defect rate≤ 60 PPM
- On-time delivery100% target
Tested on every unit
- 100% continuity and pin-out verification on every unit
- 100% short-circuit test between circuits
- Machine-vision wire-sequence verification on applicable part numbers
- Insulation resistance — sampling or 100% by requirement
- Dielectric withstand (HIPOT) on mains-rated and high-voltage assemblies
Certifications & intellectual property
Documented, verifiable, and published in full
IATF
IATF 16949:2016Cert. 0597346 · ZA-FCAV 2600305/R0S · valid 12 Feb 2026 – 11 Feb 2029View certificate
ISO
ISO 9001:2015Reg. CACQ22Q00816R1 · valid to 13 Jan 2028View certificate
SME
National Sci-Tech SME (China)Cert. 2025440306A0022602 · Shenzhen Bureau of Industry & ITView certificate
Registered software & patents held by Shenzhen Linkssor Technology
IP
Harness Stress Simulation & Optimisation System V1.0Software copyright 2025SR1063546 · granted 23 Jun 2025View certificate
IP
Machine-Vision Wire-Sequence Verification Platform V1.0Software copyright 2025SR1019795 · granted 17 Jun 2025View certificate
IP
Harness Processing Parameter Collaborative Control System V1.0Software copyright 2025SR0945174 · granted 6 Jun 2025View certificate
IP
Waterproof Connector with Self-Locking MechanismUtility model patent ZL 2025 2 1004104.X · CN 224138412 UView certificate
Customers
Customers & programme references
Customer and programme names are shown with customer permission. All logos and trademarks remain the property of their respective owners and are displayed for reference only.
FAQ
Frequently asked by overseas buyers
What is your minimum order quantity for a custom wire harness?
There is no single MOQ. It depends on connector and terminal availability and on set-up cost, and it is quoted per part number. Prototype and low-volume batches are accepted; we will tell you the quantity at which the unit price stops improving.
How fast can you deliver a sample?
5–7 working days for a typical harness where connectors are in stock. Where a connector must be sourced from overseas distribution, that transit time is stated separately in the quotation.
Can you manufacture from a sample instead of a drawing?
Yes — that is our build to sample service. We measure cut lengths and branch geometry, identify connectors, terminals, seals and wire, then produce a drawing for your approval before production begins.
Are you IATF 16949 certified, and does it cover design?
Yes to IATF 16949:2016 — certificate 0597346, valid to 11 February 2029. No to design: the certified scope is manufacturing of wire harness and excludes product design under Clause 8.3. Design and simulation work is carried out by our Shenzhen technology entity.
Who are your existing customers?
Programme references include FORTIN, Midea, Great Power, TOPSTAR, LinControl, SNC Power Train, Beijing Shouqi and Shenzhou Zuche, among 18 in total. Named references and reference contacts are shared under NDA.
Do you sign an NDA before drawings are shared?
Yes, and we prefer it that way. Send the NDA first — your drawing files are then handled by named engineers only.
Send us what you have. We will tell you what is possible.
A drawing, a sample, a connector list or a photo is enough to start. Typical reply within one working day, with engineering questions rather than a sales pitch.
Request a QuoteEmail engineering
English & Chinese correspondence · Drawings handled under NDA on request