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Industrial Wire Harness & Custom Cable Assembly
Manufacturer
Founded in 2005, Longzhiyi is a "Specialized, Sophisticated, Innovative" High-Tech Enterprise dedicated to custom wire harness design, engineering and mass production for global industrial automation markets.
Integrated Manufacturing Excellence
Longzhiyi Wire Harness Division operates a fully vertically integrated production base of 30,000+ m² in Guangdong, China. From copper wire drawing to cable extrusion, harness assembly to connector molding — every process under one roof ensures total quality control, cost efficiency and delivery reliability.
With over 20 years of industry expertise, our R&D team of senior engineers specializes in high-flexibility, oil-resistant, flame-retardant and high-temperature cable harness solutions for demanding industrial environments.
Our Wire Harness Product Lines
Comprehensive harness solutions engineered for high-motion, high-reliability industrial applications
Servo System Harness
High-frequency response servo motor harnesses compatible with Siemens, Yaskawa, Mitsubishi, Schneider, Panasonic servo systems. Minimized signal attenuation and delay for maximum efficiency.
Industrial Ethernet Harness
Industrial fieldbus & Ethernet cable assemblies for manufacturing, transportation and building automation systems. Ensures reliable multi-node digital communication in harsh plant environments.
Industrial Aviation Plug Harness
Circular connector combinations for complex industrial & outdoor applications. Secure power and signal transmission between cables and electronic devices in demanding conditions.
Robot System Harness
The neural network of robotic systems. Engineered for extreme dynamic motion, vibration, and high-flexibility routing in industrial robots, collaborative robots and automation lines.
Industrial Terminal Harness
Terminal strip assemblies combining wires, terminals and protective tubing for signal transmission, power distribution and electrical control in industrial equipment.
Flexible Drag-Chain Cable Assemblies
High-flexibility, oil-resistant drag-chain cable assemblies tested for 1,000,000+ bending cycles. PUR/TPU jacket for maximum wear life in continuous motion applications.
Core Manufacturing Capabilities
Advanced technology and rigorous testing for uncompromising quality
Advanced R&D & Engineering
Dedicated R&D team with multi-disciplinary engineers covering cable science, electrical engineering, mechanical design and automation software.
DFM (Design for Manufacturing) review before production to prevent connector mismatches, strain relief issues and routing conflicts.
Vertically Integrated Production
From copper wire drawing, cable extrusion to harness assembly and connector molding — all under one roof for total quality control and cost efficiency.
6+ automated production lines including 500-type twisting cages, 630-type cabling machines and 50 high-speed insulation extrusion lines.
Rigorous Quality Testing
Independent laboratory with automated dynamic testing for wear resistance, conductor fracture,断电测试 (continuity), tensile strength, torsion, oil resistance and electrical performance.
Full IQC → IPQC → OQC process with 100% electrical testing and complete batch traceability.
Global Export Experience
Experienced in handling international orders with full documentation support: certificates of origin, inspection reports, packing lists, and HS code classification.
DDP / Door-to-door shipping options available for North America, Europe, Southeast Asia and beyond.
Our Customization Process
From inquiry to mass production — a structured, transparent workflow
Requirements
Share drawings, BOM, samples or specifications
Engineering Design
DFM review, component sourcing & design optimization
Prototype
Sample production & customer approval
Mass Production
Batch manufacturing with full QC
Quality Inspection
100% electrical testing & batch verification
Delivery
Professional packaging & global shipping
Industry Applications
Reliable harness solutions for the world's most demanding industries
Industrial Automation
Servo systems, PLC control cabinets, sensors, I/O communication — built for dynamic motion, EMI shielding and precise signal transmission in automated production lines.
Robotics & AGV
Collaborative robots, industrial robots, automated guided vehicles. Harnesses engineered to withstand continuous bending, high-vibration joint movement and dynamic routing.
New Energy
Energy storage systems, battery management, new-energy vehicles. High-current capable harnesses with sealed connections for EV battery packs and ESS applications.
Heavy Machinery
Construction equipment, mining machinery, port cranes. Oil-resistant, abrasion-resistant harnesses for the harshest outdoor and industrial environments.
Wind Power
Wind turbine nacelle and tower cables. Weather-resistant, UV-stable harnesses rated for extreme temperature fluctuations and continuous rotation.
Numerical Control
CNC lathes, milling machines, precision tooling. High-precision control harnesses ensuring accurate signal transmission and long service life under continuous operation.
Why Choose Longzhiyi
The engineering-led harness partner for global manufacturers
Fast Sampling
Prototype to sample within 7-10 working days. Quick turnaround from approved drawing to first article.
Low MOQ Support
Flexible production from prototype builds to mass production. MOQ determined project-by-project.
Global Compliance
UL, CE, CCC, RoHS, REACH certifications. DDP/door-to-door shipping for worldwide delivery.
One-Stop Service
Build-to-print or design-for-manufacture. Component sourcing, tooling, assembly and testing under one roof.
Ready to Discuss Your Wire Harness Needs?
Send us your drawings, BOM lists or samples — our English-speaking engineers will respond within 48 hours.
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