0.025mm 6N/7N High-purity Super Fine Insulated/Bare OCC Copper Wire for Audio

High-Vacuum Continuous Casting Equipment Our production begins with high-vacuum continuous casting equipment, ensuring exceptional purity and a uniform single-crystal structure in every OCC copper wire. Production Process From continuous casting to ultra-fine drawing, each stage is tightly controlled to preserve the integrity of the single-crystal copper structure. Single Crystal Copper vs. OFC Copper Fracture Comparison The fracture surfaces below illustrate the structural