Dongguan Haoda Electronics Co.,ltd. is a professional manufacturer of fully automatic toroidal coil winding machine and small toroidal coil winding enterprises,which toroidal coils is widely used
in power converters, network filter,transformers and other communications products. The company has many years of experiences in manufacturing, with well quality assurance control during
manufacturing and processing of products. After 30 more years consistent hard working and persistence.