In the world of audio equipment, the quality of the materials used can significantly impact performance. At the forefront of this innovation is our OCC (Ohno Continuous Casting) high-purity wire, made from 6N and 7N high-purity copper. At 99.9999% pure, our OCC wire is designed to provide unparalleled signal transmission and sound quality, making it the ideal choice for audiophiles and professionals alike.

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.