Focusing on core digital technology, we collaborate with advanced equipment manufacturers and combine China's industrial advantages to provide global customers with the most cost-effective professional digital cleaning products and services. This project is developed in collaboration with top Chinese property management companies and cleaning equipment companies for the typical scenario of underground warehouses in cleaning scenarios. The commercial cleaning robot developed in this project adopts multi-sensor fusion technology and has core functional advantages such as meeting and yielding, automatic replenishment, and hand to hand integration. This project has been under development and passed customer acceptance since 2019. It has been delivered and put into operation since 2021. Currently, more than 200 projects have been implemented in China, realizing a new model of human-machine collaborative cleaning for large-scale scenarios such as underground warehouses.