+86 173 7784 9589 info@indwh.comMon–Sat 8:30–18:00 (GMT+8)
Cable assembly manufacturing workshop
ISO 9001 Certified · Direct Factory Since 2006

Custom Cable Assemblies & Wire Harness, Built to Your Drawings

Automotive, medical, industrial and telecommunication cable assemblies — one direct-source factory covering DFM review, tooling, prototyping and mass production, with 100% final inspection.

ISO 9001 IATF 16949 ISO 13485 UL / RoHS / REACH National High-Tech
Custom wire harness and cable assembly production line
Automotive · Medical · Industrial · Telecommunication

Four Core Industries, One Engineering Partner

IATF 16949 automotive, ISO 13485 medical, ISO 9001 industrial and high-frequency telecommunication cable assemblies — with free DFM review and quotation within 24 hours.

IATF 16949 ISO 13485 IP67 / IP68 No MOQ
Engineer inspecting cable assembly in quality lab
ISO 9001 · 100% Electrical Tested

Quality You Can Verify, From Prototype to Mass Production

In-house testing center with 20+ instruments — continuity, hi-pot, insertion force, swing, salt spray and temperature-humidity aging. Every cable is validated before it ships.

ISO 9001 UL / RoHS 100% Tested A-Level Digital
4 Industries

Cable Assembly & Wire Harness

Automotive, medical, industrial and telecommunication — custom-built to your drawings and specifications.

2006
Established
400+
Skilled Employees
8,700m²
Manufacturing Area
100%
Electrical Tested
Our Products

Two Pillars, Four Core Industries

Custom cable assemblies and wire harnesses for automotive, medical, industrial and telecommunication applications — engineered to your drawings, BOM and operating conditions.

Why Choose Us

A True Direct-Source Manufacturing Partner

One factory for R&D, tooling, production and testing — no middlemen, no outsourcing delays.

01

Integrated Supply Chain

Everything under one roof — cable cutting, soldering, molding, testing and packaging in our own factory with a dedicated project manager per order.

02

Certified Quality System

ISO 9001 certified since 2019, with IATF 16949 automotive and ISO 13485 medical quality systems. National High-Tech Enterprise, UL / RoHS / REACH compliance.

03

Automated Production Lines

10 automatic soldering machines, 50 injection molding machines, 20+ electrical testers and 10 visual-inspection stations for stable mass output.

04

OEM / ODM & Fast Samples

Customize from drawings or samples. Prototype cables in 48–72 hours; production orders in 2–4 weeks depending on complexity.

05

100% Electrical Testing

Every cable is continuity, hi-pot and insulation-resistance tested before shipping — plus pull force and environmental testing on request.

06

Responsive Global Support

English-speaking sales engineers reply within hours, with on-time delivery and global logistics to 40+ countries.

How We Work

4 Simple Steps to Your Custom Cables

From your drawing to your warehouse — a transparent, controlled process at every gate.

01

Inquiry & Specification

Send drawings, samples or specs. Our engineers confirm requirements and advise on materials.

➜
02

Engineering & Sample

2D/3D confirmation, DFM review and prototype cables in 48–72 hours for your approval.

➜
03

Mass Production

Automated lines for cutting, soldering, molding and assembly with stable, repeatable quality.

➜
04

QC & Global Delivery

100% electrical testing, AQL inspection and safe packaging, shipped to your global location.

Testing laboratory and production line
20+
Testing &
Inspection
Instruments
Quality & Laboratory

In-House Lab, Zero-Defect Commitment

Our test center validates every critical parameter so your products survive real-world vibration, temperature and corrosion — from prototype to mass production.

Continuity / Hi-Pot100% electrical & insulation resistance
Swing / Flex TestBending fatigue for flexible cables
Insertion / Pull ForceMating & terminal retention force
Salt SprayCorrosion resistance of plating
Temp / HumidityConstant temperature & humidity cycling
Aging & 2D VisionThermal aging + precision dimension check
Inside Our Factory

Two Manufacturing Hubs, One Quality Standard

Headquartered in Shenzhen (R&D, sales and production, 1,500 m²) with a 7,200 m² production base in Ankang, Shaanxi since 2018 — and a 20-acre wire-harness industrial park under construction for the full industry chain.

1,500 m²Shenzhen HQ & production
7,200 m²Ankang production base
50Injection molding machines
400+Skilled employees
Xianlang Electronics factory
400+
Employees
Since 2006
Certifications & Honors

Compliance You Can Trust

Certified quality and association memberships that open doors to global markets.

Integration of informatization and industrialization certificate

Two-Speed Integration (A-Level)

GB/T 23001-2017 & GB/T 45341-2025 certified management system.

Shaanxi Gazelle Enterprise certificate

Shaanxi Gazelle Enterprise

Recognized as a high-growth enterprise by Shaanxi Science & Technology Dept.

ISO 9001 certification badge

ISO 9001

Quality management system certified since 2019.

National High-Tech Enterprise certificate badge

National High-Tech Enterprise

National high-tech enterprise certification.

UL RoHS CE compliance badges

UL / RoHS / CE

Wire-harness assembly factory and environmental compliance.

IATF 16949 and ISO 13485 certified quality systems

IATF 16949 / ISO 13485

Automotive and medical quality systems for regulated supply chains.

What Clients Say

Trusted by Buyers Worldwide

OEM buyers, distributors and system integrators rely on SAOJIE for consistent quality and on-time delivery.

“
★★★★★

Their custom wire harnesses performed consistently in our internal tests. Production is reliable and well organized.

M
Michael R.Procurement Manager, Germany
“
★★★★★

OEM customization was smooth and the product matched our technical requirements. A very professional experience.

S
Sarah L.Product Engineer, USA
“
★★★★★

We have worked with them for years on automotive and industrial harness programs. Fast samples, stable quality and on-time delivery every time.

D
Daniel K.Purchasing Director, Netherlands
News & Insights

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Industry trends, product guides and company updates.

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Get a Free Quote

Send Your Drawings or Samples,
Get an Accurate Quote Fast

Tell us your product requirements and target quantity. Our engineering team replies within hours with material, tooling and cost advice.

  • Call / WhatsApp+86 150-1354-5139 (Mr. LU)
  • Emailclzkj2020@gmail.com
  • HeadquartersA207 Shenshan Business Park, Hantang 1st Rd,
    Henggang, Longgang, Shenzhen, China
  • FactoryNingshan Flying-Industry Park, Ankang, Shaanxi, China

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