high purity single crystal copper wire (OCC) 4N to

high purity single crystal copper wire (OCC) 4N to 6N Purity: 4N 6N Cu (Min): 99.9999% Low Resistance, R>104.0%IACS Xiamen Milestone Electronics Co., Ltd,own first-class talents, equipped with advanced domestic product quality instrumentation. We offer single crystal copperwiht Wire Gauge from 0.016mm to 3.0mm. All of our products are RoHS compliant. We 've pass SGS and ISO90001 certification.