Main：General business items are: production, transformer, rectifier; Distribution of self-produced products; Domestic commerce, material supply and marketing industry (excluding items prohibited by laws, administrative regulations, and decisions of the State C
Main：LED light source, LED applications, LED lighting parts, semiconductor lighting, production and sales of electronic components; domestic trade, import and export of goods and technology. (Laws, administrative regulations, the State Council decides otherwis
Main：Electronic transformers, electronic components production and sales, domestic commerce, materials supply and marketing, import and export of goods and technology. (Excluding the above items are laws, administrative regulations, the State Council decided t
Main：High / low frequency transformer (excluding 10 ~ 35 KV resin dry-type transformers), filters, inductors, magnetic ring, switching power supply, charger, LED power supply production processing and sales; domestic trade. (Laws, administrative regulations, t
Main：Professional research and development, design, production, and sales of various high and low frequency transformers, magnetic ring inductors, and coils.
