transmart.net,transformer design,Customer service is also our focus. At Transmart Soft Magnetic Materials, customers can enjoy a comprehensive service provided together with transformer design, including professional customization, efficient and safe delivery, custom packaging, etc. Customers can also get a sample for reference if needed. Transmart provides transformer design products that are selling well in United States, Arabic,Turkey,Japan,German,Portuguese,polish,Korean,Spanish,India,French,Italian,Russian,etc. Transmart,Our company main produces common mode choke core,choke core,ferrite coil.