China has factories with the whole industrial chain, and its products are sold all over the world. As electronic special basic materials, its characteristics determine that the domestic market is dominated by direct sales, while the overseas market is dominated by terminal sales (indirect sales). The "DE" brand, "L" brand copper clad board products produced by the company are not only sold directly to the domestic circuit board factories, but also exported to southeast Asian countries. After years of accumulation, they have gained high popularity and reputation in the circuit board industry.