Custom 99.99999% High Purity Oxygen-free Copper Bars

Ruiyuan have been involved ourselves in the advanced technology and our ultra fine high purity copper wire is the only supply to Heraeus Germany, which has highest purity of copper, copper content ≥99.99999% 7N, content of oxygen less than 1ppm and the grain boundaries per mm2 not more than 3 grains. This product has significantly improved signal transmission speed and keep the resistance low.

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Application

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.