... core film threading transformer is made of high quality silicon steel plate with a low power,it's a ... verimportant part of the power source of the carious electronic products.2,Minimum power loss3,Small rise in temperature4 ... lighting system3,Medical instruments4,Measuring appliance5,Regulators6,Induction cooker7,Power source adapters,etcProfessionally manufacture all kinds of transtormers,give ...