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.
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.
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.
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.
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.
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.
Customer‑oriented and material‑science‑based, we have built a complete R&D system spanning fundamental research to product application.
Equipped with advanced extrusion, mechanical and aging test instruments, focusing on polymer modification formula and performance verification.
Full validation system covering combustion, drag‑chain cycling, high‑low temperature and aging life testing, ensuring every cable withstands harsh operating conditions.
MES manufacturing execution system, PLM product lifecycle management and automated test data collection enable fast transition from R&D to mass production.
In‑house laboratories conducting special research for emerging sectors such as robotics, new‑energy and industrial control equipment.
Deploying computer‑controlled intelligent production lines and automated equipment. Lean manufacturing plus rigorous quality control to perfect every procedure.
Adopting premium‑brand drawing, stranding and extrusion complete sets. Stable equipment precision ensures consistent conductor dimension and uniform insulation thickness.
Full‑chain data traceability covering copper rod feeding, cable stranding, sheath extrusion, on‑line diameter measurement and spark testing.
Well‑established production operation standards and process management. Post‑specific responsibility, segmented control and multi‑level verification to standardize the whole workflow.
Reel‑by‑reel on‑line electrical test plus secondary lab re‑check, dual‑check mechanism for in‑process and finished‑goods release.
Modular line design supports multi‑variety, small‑batch and fast‑delivery orders to satisfy customized and project‑oriented production demands.
Incoming quality inspection for copper rods & polymer pellets, screening premium base materials
Fine‑wire drawing, stranding and annealing treatment
Polymer extrusion modification, insulation & sheath compound preparation
Extrusion, cabling, shielding, armoring precision forming
Terminal crimping, threading assembly & forming inspection
Electrical test, spark test and laboratory re‑verification
Full‑stack technical capabilities covering conductor processing, insulation materials, shielding processes and harness integration, delivering professional support for high‑reliability application scenarios.
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.
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.
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.
Precision extrusion, cabling and fixed‑length cutting processes. Strict outer‑diameter tolerance & structural stability control for neat appearance, stable performance and extended service life.
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.
Crimping, threading, injection molding, wiring design and terminal processes, supporting mass flexible assembly of high‑density connectors and complete‑vehicle / complete‑equipment wire harnesses.
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.
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