Established in 1994, Zhejiang Rongtai Technical Industry Co.,Ltd. is one of the most professional manufacturers of insulating varnish, impregnating resin and embedding resin in China. Our products can be used for coil impregnation of air-condition motor, electrical tools motor,water pump motor,washer motor,cleaner motor,traction motor,auto motor,Y2 series motor, fractional horsepower motor, high voltage motor,series dynamo and ballast etc. They are also suitable for potting and casting of capacitor and electronic transformer. They are applied using methods of common immersion,continuous immersion,trickle impregnation and VPI for stator and rotor coils(winding).
We have morew than 800 customers all over the world, Panasonic, bosch, LG, WEG, SEW, ABB, Balddor, Media, Galanz, Haier included. Rota brand is a renowned trademark in China and most of our products have gained UL and RoHS certification. We have more than 100 types of impregnating varnishes and impregnating resin.
Some of our products are as follows:
●Immersion varnish
●Potting resin and casting resin
●Trickle resin
●Air drying varnish
●Continuous immersion resin
●Amino-polyester insulating enamel
●VPI resin
●Fiber glass covered varnish