Tianjin Ruiyuan Electrical Material Co., Ltd. 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 19 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.
I want to say that your products are very good. Thank you for all your suggestion, also good after sales service. -- Adela
We trust the quality of your products. It always the best. Keep this going, and we will establish a long-term trade relationship with you. -- Charlie Bingham