AL TRANSFO DESIGN GROUP-we are a Chinese factory which mainly design and produce transformers, low frequency transformers( from 0.35VA till to 800KVA), encapsulated transformers, toroidal transformers for audio equipments, current transformers, solid and split core transformers, Rogowski coils, inductors, single phase transformers, three phase transformers and inductors, common mode chokes, EE, EFD, EP, PQ, RM transformers, coils, electronic ballasts, kinds of adapters, linear adapters or power supply, switching adapter, open frame power supplies and LED drivers, PCB, PCBA, EMS or OEM sevice, AC/DC adapters, DC/DC, DC/AC power supply.