Protecting supply is to protect confidence and stability. Epidemic prevention and control is a people's war, everyone is a participant. Enterprises do a good job in the epidemic during the important livelihood materials to ensure the supply of work, to provide the masses with adequate livelihood protection.

Protecting the supply includes ensuring quality, cost, and logistics. Guaranteed quality, as the name suggests, is to be the supplier of the product quality control without uncontrollable defects or that there can not be any and the provisions of the standard has any different.