... 10 amp 1.CE,SGS,ISO90012.OEM3.No MOQ4.manufacturer Detailed description :Description of the transformer material ... choose the most suitable material, so that the transformer design to achieve the best performance. (Conventional material ... , GB226 national standards and other internationalFactory of transformer suppliercertification of transformer suppliertransformer supplier1. ISO9001 and CE,SGS2.Heat ...