Toroidal transformer industry control 1)Audio pro-amplifier 2)Lighting 3)Medical/telcom transformer ... electrical appliance, lighting, Medical equipments, Halogen quartz lamp, UPS industry, industrial control area ect….:Specification:1. Universal Purpose small size, easy to ... , trained best skillful engineer and worker, organized a full quality control and R&D team.c. Use refined material, such as ...