On January 28, 2022, the Green hydrogen energy integration demonstration base project in Zhangjiakou, Hebei Province, which was built by Hoto as an EPC contractor for design, equipment procurement, technical service and commissioning, was completed and put into operation, and began to produce green hydrogen. The project will provide 50% green hydrogen for hydrogen fuel cell vehicles in Zhangjiakou during the 2022 Beijing Winter Olympics.