Nanjing Rainbow Electric Co., Ltd. (NJREC) is a leading Chinese manufacturer and supplier of electrical insulators and transformer bushings.

NJREC undertakes and offer the reliable electrical insulators for transmission lines and substations. We also provide one-stop solutions for distribution & power transformers (oil immersed & dry type), pad-mounted transformers and wall-mounted applications.

Our main products includes: Glass & Porcelain Insulators, Transformer Bushings (HV & LV), OIP/RIP/RIS Condenser Bushings and Wall Bushings.