OCC 4N 5N 6N 99.998% High purity bare / enameled occ copper wire

OCC high-purity enamelled copper wire has a wide range of uses in the production of high-end audio, earphones and audio transmission equipment.

As the material of choice for audio equipment manufacturers, OCC high-purity enamelled copper wire can not only provide excellent sound quality, but also meet the demanding requirements for detail and precision.

It is widely used in the internal connection of high-fidelity audio systems, and in the production of high-end earphone wires.

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.