How is the company's R&D investment?

Desay SV's answer: In 2022, the company will continue to maintain a high level of R&D investment, with an annual R&D investment of 1.663 billion yuan, accounting for 11.14% of sales. High-level R&D investment is not only a necessary investment for the future development of new businesses, maintaining technological leadership, and maintaining high-quality sustainable development, but also to meet the current rapidly growing business scale and more complex project product delivery needs. At the same time, the company will continue to focus on improving R&D efficiency.