Espressif Systems (Shanghai) Co.Ltd(688018) released the performance express. In 2021, the company achieved an operating revenue of 1386371500 yuan, a year-on-year increase of 66.77%; The net profit attributable to the owners of the parent company was 198427700 yuan, an increase of 90.70% year-on-year. During the reporting period, the overall shipment of products across the line increased by 30% – 40% year-on-year, and the equivalent shipment of the same product increased by 50% – 55%; Affected by the shortage of wafer packaging capacity in the upstream of the integrated circuit industry, the company adjusted its sales strategy, increased the product price, and further improved its profitability.