7N 99.999996% Ultra High-purity 0.028mm-0.10mm OCC Copper Wire for Medical Equipment

For audio applications, the purity of silver wire plays a vital role in achieving the best sound quality. Among the various types of silver wire, OCC (Ohno Continuous Cast) silver wire are highly sought after. These wires are known for their excellent conductivity and ability to transmit audio signals with minimal loss, making them the first choice for audiophiles and professionals.

RUIYUAN was established in 2002, located in Tianjin City,the second largest port city in China.We have been focusing on different kinds of high quality wires: enameled round copper wire, rectangular enameled copper triple insulated wire, silk covered Litz wire, bonding wire and special enameled wire for 21 years.Ruiyuan is one of the pioneers in producing micro thin enameled wires below 0.03mm in China. Our R & D team has 20 years of market experience. In 2019, our finest diameter is 0.011mm, and mass production has been achieved. All of our products are UL, RoHS certified, in line with industry standards IEC60317, JIS C 3202, NEMA, NW82.