Tianjin Grewin Technology Co.,ltd. in Tianjin City which is very close to Xingang Port and Binhai International Airport, which provide timely and convenient access to transportations for customers .Tianjin Grewin Technology Co.,ltd.a professional leading and a main exporter of a wide variety of electronic components in China.The company .All of our products stand for top quality in the industry and are enjoying very high honor.Our core business are including following:
1.Current transformer
2.Encapsulated transformer
3.Toroidal transformer
4.High frequency transformer
5.Low frequency transformer
6.planar transformer