FIW4 FIW5 FIW6 High Voltage Resistance FIW Fully Insulated Enameled Copper Wire

The FIW wire can operate stably no matter in high temperature or high humidity environment. It uses the most advanced insulation materials and can withstand voltages up to 3000V, ensuring line stability and safety.

This feature makes FIW Full Insulated Zero Defect enameled copper wire particularly suitable for high-voltage scenarios with stringent electrical performance requirements, providing reliable guarantee for the safe operation of various electrical equipment.

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.