Precision Harness Solutions for Global Industries
6,000㎡ Facility in Shandong | Automotive/Industrial/Appliance Solutions
- ISO-Certified Wire Harness Manufacturer Since 2010
- Your Trusted Partner for Custom Cable Assemblies”
- 24/7 Production · 15+ Years OEM Expertise

About Us
Your Reliable Partner in Cable Harness Manufacturing
Liaocheng Le Le Trade Co., Ltd. operates a 6,000㎡ production base in Shandong, equipped with 24/7 automated lines and strict ISO-certified quality control. With 15+ years of OEM/ODM experience, we specialize in automotive, industrial, and appliance cable assemblies, ensuring on-time delivery and RoHS/UL compliance.
We partner with global clients to provide custom wire harness solutions—from design support to mass production. Our dedicated engineering team optimizes cost-efficiency without compromising durability, backed by free samples and 12-month warranty. Let’s build long-term success together.










Services
Comprehensive Cable Harness Solutions for Every Need
At Liaocheng Le Le Trade Co., Ltd., we provide end-to-end wire harness manufacturing services, from prototyping to mass production, ensuring high precision, fast turnaround, and competitive pricing for global clients.
01
Custom Cable Harness Design & Engineering
Our expert engineers work closely with you to develop tailored wire harness solutions that meet exact specifications, including schematics, material selection, and performance testing.
02
Prototyping & Small-Batch Production
Fast-track your project with 72-hour prototype delivery and low-volume runs, allowing you to test and refine designs before full-scale manufacturing.
03
High-Volume OEM Manufacturing
Leverage our 24/7 production capacity and automated assembly lines for large-scale orders, with strict ISO-certified QC to ensure consistency and reliability.
04
Testing & Certification Support
We conduct full electrical, mechanical, and environmental testing, and assist with UL, CE, RoHS, and other compliance certifications for global market access.
"Reliable Partner for Automotive Wire Harnesses" We've been sourcing cable assemblies from Le Le Trade for over 3 years. A truly hassle-free supplier.
John Müller
Procurement Manager | German Auto Parts Supplier

Why Choose Us
15+ Years of OEM/ODM Expertise
We’ve engineered cable harnesses for automotive, industrial, and consumer electronics brands worldwide. Our deep manufacturing knowledge ensures your designs are cost-optimized and production-ready.
24/7 Production with Military-Grade QC
Our 6,000㎡ factory runs 3 shifts daily, backed by ISO 9001 processes and 100% continuity testing. Every shipment includes full inspection reports.
Faster, Smarter Supply Chain
15-day standard lead time (30% faster than industry average) Bilingual engineering support (English/Chinese) Free design review to eliminate DFM issues upfront
unique Qualities
What Sets Us Apart
01.
End-to-End Customization Support
From design validation to final packaging, we handle every step in-house—no middlemen. Our engineers provide free DFM (Design for Manufacturing) analysis to optimize your schematics for cost and durability.
02.
Military-Grade Testing Lab Onsite
Unlike traders, we operate a full-equipped testing center with: Hi-pot testing (up to 5,000V) Salt spray chambers (ASTM B117) Mechanical pull-force testers
03.
Agile Small-Batch Production
We accept MOQs from 500 units with same quality control as bulk orders—perfect for startups and R&D projects needing low-volume precision.
04.
Transparent Global Logistics
Real-time production updates + door-to-door shipping coordination with pre-shipment photo/video documentation.
Ready to Elevate Your Cable Assembly Solutions?
Get a Free Quote & Sample Within 48 Hours!
We specialize in high-performance wire harnesses tailored to your exact needs. Whether you need custom designs, fast prototyping, or bulk production, our team ensures competitive pricing, strict quality control, and on-time delivery.