Strict Quality Control System
70+ Years Reliable Cable Manufacturing Quality from Qingdao Cable Co., Ltd.
Our Certifications & Qualifications
System Certificates
- ISO 9001 Quality Management System
- ISO 14001 Environmental Management System
- Shandong Provincial High-Tech Enterprise
- AAA Credit & Integrity Enterprise
Product International Certifications
- UL / cUL Certification (THHN, XHHW, MC, USE-2 etc.)
- GB National Standard Approval
- IEC International Standard Compliance
- VDE, SAE Customer Custom Standards
Factory Honors
- National Second-Class Enterprise
- Provincial Inspection-Free Products
- Long-term Supplier of Multinational Brands
Advanced Production Equipment
We introduce full sets of automated wire & cable production lines imported from professional brands, covering conductor drawing, extrusion, stranding, armoring and sheathing processes to guarantee stable product consistency.
Wire Drawing & Stranding Lines
High-speed copper & aluminum drawing machines, automatic stranding equipment for round & shaped conductors, uniform conductor resistance control.
XLPE & PVC Extrusion Lines
Precision insulation extrusion equipment, accurate thickness control, stable insulation performance for medium & low voltage cables.
Armoring & Jacketing Machines
Steel tape / steel wire armoring equipment, PE/PVC outer sheath extrusion for direct burial & underground projects.
Complete Inspection & Testing Instruments
Our independent laboratory is recognized as a municipal technical center. Every batch of raw materials and finished cables undergoes full performance testing before delivery.
Electrical Performance Test
Conductor resistance tester, high voltage withstand tester, partial discharge tester, insulation resistance megohmmeter.
Material Aging & Thermal Test
Thermal aging ovens, heat cycle testing equipment, low temperature bending test machines.
Mechanical Property Test
Tensile tester, elongation testing machine, impact & abrasion test device for jacket & insulation.
Special Flame & Fire Test
Flame retardant, fire resistance and low smoke halogen toxicity testing equipment for special cables.
Whole-Process Quality Control Flow
Raw Material Inspection
Aluminum/copper rods, plastic particles, steel tape all pass incoming inspection before storage.
In-Process Monitoring
Real-time size & electrical inspection on each production line during manufacturing.
Semi-Finished Testing
Insulation & conductor sampling test after extrusion and stranding procedures.
Finished Cable Full Test
Complete electrical, mechanical and environmental performance test for finished reels.
Batch Delivery Inspection
Random sampling recheck, issue factory test report before shipment.
70+ Years Manufacturing History of Qingdao Cable
Founded as Daxin Wire Works, official state cable manufacturer.
Renamed State-owned Qingdao Wire Works, ACSR & enamel wire mass production.
Obtained ISO9001 quality system certification.
Passed UL & cUL certification for American standard building wires.
Moved to new industrial park with fully automated production base.
Full series MV/LV, irrigation, UL cables with complete international certifications.