FIW4 FI5 FIW5 Class 180 High voltage FIW wire Solderable enameled Copper Wire For High Voltage Transformer

The wider selection of FIW finished outer diameters allows customers to produce smaller transformers at a lower cost. This flexibility gives manufacturers greater freedom in production, allowing them to better adapt to market demand, improve production efficiency, reduce costs, and gain greater market share.

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.