Application Brief: SouDian——One-stop service to provide customers with professional management services 【product description】 This app is aimed at company customers (agents, franchisees) on devices (power bank, "device" for short) Carry out a comprehensive management, and can also allocate equipment to lower-level merchants, making it easier and more convenient to manage equipment 【Features】 Easy to borrow: Simple operation to achieve the goal with minimum operation Clear expression, the cl