GREWIN manufacture current transformer, planar transformer, toroidal transformer, encapsulated transformer with high performance etc and have abtained CE, VDE, UL, ISO2000 approval. We bring you the best products at the best prices, delivered from stock or direct from the factories. We aim to exceed our customers' expectations, with continuously improved service, quality products, competitive prices and the fastest delivery.

Our service staff have rich experiences in the business. We understand the strictly quality requirements. We could provide our customer with CE or VDE approved products via cooperating with our partners closely.

We sincerely welcome any company to contact us to define your needs and we can develop a plan to accomplish your goals. We are looking forward your favorable reply.