According to the flush flush news, some investors asked Donggang shares. Nowadays, consumer vouchers are being issued everywhere. They should be issued electronically. Can the company's blockchain technology be used for electronic consumer vouchers? The company replied that the blockchain technology can be applied to electronic consumer coupons. Donggang Ruihong is currently conducting technology research and development in this area, but it is not yet in actual use, and there is uncertainty about whether the project can be implemented in the future. Thank you for your interest in our company.