How much is your company's annual R&D expenditure? What percentage does it account for in the company's revenue?

Qianfang Technology: Hello, thank you for your attention. According to the information disclosed in the annual report, R&D expenditure in 2022 was 1.111 billion yuan, accounting for 15.9% of revenue; R&D expenditure in 2021 was 1.183 billion yuan, accounting for 11.5% of revenue; R&D expenditure in 2020 was 899 million yuan, accounting for 9.54% of revenue.