The main business of Polycan Optoelectronics is the development, production and sales of LED epitaxial wafers and chips. The main products are GaN-based high-brightness blue LED epitaxial wafers and chips. During the reporting period, it was fully recovered by the industry, and the growth in customer demand and scale effect. Promoted, the company's gross profit margin increased significantly, and its operating performance increased significantly. In addition, Polycan's optoelectronic products are located in the upstream of the LED industry chain with high technical thresholds and added value. The high-brightness blue LED chips produced by the company can be widely used after being packaged downstream. High-end applications such as backlighting and lighting.