Longzhiyi Cable - R&D & Manufacturing Strength
R & D & PRODUCTION POWER

Innovation‑Driven, Manufacturing‑Based
Full‑Industrial‑Chain Capabilities for Cable Industry

From upstream copper wire drawing and polymer material modification, to high‑end cable manufacturing and precision wire harness assembly — Longzhiyi Cable integrates four major divisions. With self‑controlled industrial chains, strict quality control systems and intelligent production lines, we deliver one‑stop high‑reliability connection solutions for global industrial clients.

4 Divisions
Vertically‑Integrated Full Industry Chain
100+ Staff
R&D & Production Team
30000㎡
Intelligent Manufacturing Base
36 Patents
Core Patents & Software Copyrights
DIVISION SYSTEM / Industrial Layout

Four Divisions · Full‑Chain Collaboration

From raw materials to finished goods, from laboratories to production lines, four divisions work closely to form closed‑loop integrated manufacturing, ensuring source‑controlled quality and chain‑optimized costs.

🟤

Copper Materials Division

COPPER MATERIALS DIVISION

Adopting oxygen‑free copper rod drawing technology. Full‑range in‑house production from premium copper rods to high‑precision copper wires to guarantee conductor purity and conductivity, controlling core cable performance from the source.

Oxygen‑free Copper Rod High‑precision Copper Wire Conductor Processing Purity Control
🔬

Polymer New Materials Division

POLYMER NEW MATERIALS DIVISION

Self‑modified PVC insulation and sheath materials featuring high‑temperature resistance, anti‑aging and low‑smoke zero‑halogen properties, delivering reliable protective "skin" for cables.

PVC Modification Low‑smoke Zero‑halogen Special Sheath Material R&D
⚡

Wire & Cable Division

WIRE & CABLE DIVISION

Covers industrial cables, connector harnesses, high‑flex drag‑chain cables, control cables, power cables, sensor cables, wind turbine power cables and more. Equipped with computer‑aided extrusion & stranding equipment to manufacture premium‑grade cables with high precision.

Industrial Cables Control Cables New‑energy Cables Sensor Cables
🔧

Wire Harness Division

WIRE HARNESS DIVISION

Serving industrial automation, new‑energy vehicles and intelligent equipment sectors. Provides integrated harness assembly and complete connection solutions including terminal crimping, threading assembly and end‑product forming.

Sensor Harnesses New‑energy Harnesses Automated Assembly Turn‑key Solutions
R&D STRENGTH / Technology Innovation

R&D Strength · Technology‑Driven Future

Customer‑oriented and material‑science‑based, we have built a complete R&D system spanning fundamental research to product application.

  • 01

    Material R&D Laboratory

    Equipped with advanced extrusion, mechanical and aging test instruments, focusing on polymer modification formula and performance verification.

  • 02

    Electrical Performance & Reliability Test Center

    Full validation system covering combustion, drag‑chain cycling, high‑low temperature and aging life testing, ensuring every cable withstands harsh operating conditions.

  • 03

    Intelligent Manufacturing & Digital R&D

    MES manufacturing execution system, PLM product lifecycle management and automated test data collection enable fast transition from R&D to mass production.

  • 04

    Customized Industry‑Oriented R&D

    In‑house laboratories conducting special research for emerging sectors such as robotics, new‑energy and industrial control equipment.

🏅 Certifications & Qualifications

ISO
ISO 9001 Quality Management System
Standardized management covering design, production and service full process
UL&CE
UL & CE International Safety Certifications
Major cable products meet North American & EU export safety standards
3C
CCC China Compulsory Certification
Key cable products passed national CCC certification
RoHS
RoHS / REACH Environmental Compliance
Low‑smoke zero‑halogen eco‑friendly materials for green manufacturing requirements
⭐
National Specialized & Sophisticated Enterprise
Accumulated more than 30 granted patents
MANUFACTURING / Smart Production

Manufacturing Strength · Precision Smart‑Manufacturing Guarantee

Deploying computer‑controlled intelligent production lines and automated equipment. Lean manufacturing plus rigorous quality control to perfect every procedure.

  • ✓

    High‑performance Complete Production Equipment

    Adopting premium‑brand drawing, stranding and extrusion complete sets. Stable equipment precision ensures consistent conductor dimension and uniform insulation thickness.

  • ✓

    Full‑process Traceable Production Lines

    Full‑chain data traceability covering copper rod feeding, cable stranding, sheath extrusion, on‑line diameter measurement and spark testing.

  • ✓

    Standardized Process Control

    Well‑established production operation standards and process management. Post‑specific responsibility, segmented control and multi‑level verification to standardize the whole workflow.

  • ✓

    On‑line Full Inspection & In‑house Laboratory

    Reel‑by‑reel on‑line electrical test plus secondary lab re‑check, dual‑check mechanism for in‑process and finished‑goods release.

  • ✓

    Flexible Capacity Arrangement

    Modular line design supports multi‑variety, small‑batch and fast‑delivery orders to satisfy customized and project‑oriented production demands.

30000㎡
Modern Intelligent Manufacturing Base
300+
Advanced Precision Equipment
99.8%
Finished‑goods Pass Rate
30
Production Lines
24h
Closed‑loop Full Inspection
🏭 Integrated Production Workflow
1

Raw Material Selection

Incoming quality inspection for copper rods & polymer pellets, screening premium base materials

2

Drawing & Stranding

Fine‑wire drawing, stranding and annealing treatment

3

Material Modification

Polymer extrusion modification, insulation & sheath compound preparation

4

Cable Manufacturing

Extrusion, cabling, shielding, armoring precision forming

5

Harness Assembly

Terminal crimping, threading assembly & forming inspection

6

Full Inspection & Warehousing

Electrical test, spark test and laboratory re‑verification

TECHNOLOGY / Core Competencies

Core Technology Capability Matrix

Full‑stack technical capabilities covering conductor processing, insulation materials, shielding processes and harness integration, delivering professional support for high‑reliability application scenarios.

🧲

Conductor Processing Technology

Oxygen‑free copper rod continuous annealing, fine‑wire drawing and repeated bending tests, achieving outstanding conductivity and mechanical strength for ultra‑flexible, high‑efficiency, low‑loss conductors.

🛡️

Insulation & Sheath Technology

Special material formulas and extrusion processes for PVC, XLPE and TPU featuring high‑temperature resistance, low‑smoke zero‑halogen flame retardancy, oil & weather resistance, fully adapting to harsh environments.

📡

Shielding & Transmission Technology

Copper braiding, aluminum foil wrapping, double‑layer shielding and impedance‑control technologies to guarantee signal integrity and electromagnetic compatibility for high‑speed data & communication applications.

⚡

High‑voltage & Power Technology

Precision extrusion, cabling and fixed‑length cutting processes. Strict outer‑diameter tolerance & structural stability control for neat appearance, stable performance and extended service life.

🚀

Industrial Cable Technology

Application‑specific cables including industrial cables, drag‑chain cables, control cables, power cables, sensor cables and wind‑turbine cables, validated under high‑altitude, low‑temperature and salt‑spray environmental conditions.

🔗

Harness Integration Technology

Crimping, threading, injection molding, wiring design and terminal processes, supporting mass flexible assembly of high‑density connectors and complete‑vehicle / complete‑equipment wire harnesses.

Choose Longzhiyi Cable, Choose Full‑Chain Quality Assurance

Let R&D innovation empower products, let smart manufacturing define quality — we look forward to cooperating with you to set new benchmarks for industrial interconnection.

Contact Technical Team →