F2 Econimic Building of head office,No.1 JingHui Road of Dongli Lake,Dongli Distr.

Tianjin Grewin Technology Co., Ltd. is a manufacturer of toroidal transformer, EI class 2 transformer, current transformer, split core CT,electronic transformer etc. We have obtained ISO, CE, VDE an...

No6 Taishan Road, Hexi District, Tianjin City, China

Our company was reorganized in 2005. Together we have over 20 years of experience in manufacturing electronic transformers, current transformers, inductors, coils, PCBAs, etc. in Tianjin City of China...