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, pad-mounted transformers and wall-mounted applications.

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

Long-term leader in its field, NJREC has been specializing for more than 20 years in the research, design, manufacturing, testing and supply of toughened glass insulators and condenser bushings for high voltage power networks and transformers.

We NJREC's team are committed to offer you with the professional technical support, competitive prices, fast delivery, best quality products and good after-sell service.

By continuously developing innovative new technologies and improving existing ones, NJREC aims to provide products and services that add value for our customers.