We are specialized in the electronic components. Main products toroidal transformer, planar transformer, high-frequency transformers, inductors, and current transformers.Our producted transformer have following advantages:1.Raw materials: Meet with CE and ROHS approval.2.Copper wire:We purchased wire from the biggest supplier in China with good reputation.The wire performance is stable.3.Silicon steel: with excellent performance with low loss .4.Operating workers:Our workers has more than 5 Years operating and winding experience.salesmanager(@)grewin-tech skype:lialice99