Our company had founded for 20 years since 1979. We specialize in producing all kinds of Transformer, Ballasts, Adapters, and Coils. Our high quality products are approved of our customers. At last years , we imported the latest technology equipment to research and produce Toroidal transformers. After July 1997, We continually got recognition of U/L electrical insulation systems. We will be will to accept any suggestion; please give us your comments for improvement.