Nanjing Rainbow Electric Co., Ltd. (NJREC) is a leading Chinese manufacturer and exporter of transformer accessories like Bushings, Tap Changer, Pressure Relief Valve, Radiator, Transformer Cores, Gas Relay, Oil Level Indicator as well as other Insulation Materials. We offer the one-stop solutions for transformer, switchgear, breaker and wall applications.

NJREC offers the complete range of transformer insulation and components products and services to original equipment manufacturers and distributors for power and distribution transformers. We have been the supplier of choice for over 20 years by meeting the diverse needs of an evolving industry.