We are a supplier of IoT solutions and communication equipment in China, serving a wide range of industrial customers. During the track record period, we mainly provided customized IoT solutions and research, development and sales of communication equipment to customers in various industries. During the track record period, a small portion of our revenue was also derived from providing other services, such as communications equipment maintenance and communications consulting services. As a technology-driven company, we continue to invest and plan to invest more in R&D to help meet the changing needs of customers in all industries with advanced technology. In particular, according to Frost & Sullivan's report, since 2020, China's 5G private network market has become an emerging industry segment of the Chinese IoT market, accounting for about 0.2% of the market share of the Chinese IoT market in 2021. It is expected that the market share of China's 5G private network market in the Chinese IoT market will further increase to about 4.3% in 2026. With the promotion of 5G commercial applications in China, we have strategically started providing customers with 5G communication equipment and 5G private network solutions in 2019 and 2020, respectively.