We-Shaanxi Electronic Grouptech Co.,Ltd has over 20 years experiece in custom-designing and producing toroidal choke coils,inductors,line filters,toroidal transformers and other winding components.Common mode chokes;Spring air coils;Toroidal coils;Toroidal transformers(6VA-25000VA);SMD power inductors;copper coils;high frequency transformers;switching power transformers;PCB mount encapsulated transformers(0.25VA-30VA);Current sensing transformers;Please feel free to contact with me when you have any requests of inductors or transformers,we will try our best to support you.Skype:moodboy119 wwwferritewindingscomE-mail: salesATferritewindings.com