There are many design procedures, methods, and elements involved in the shaping of the Electric Delivery Bike, but no matter how the appearance of the Electric Delivery Bike product design changes, the soul of the product form, that is, the requirements for unity, coordination and streamline, will n

The mandatory implementation of the Electric Delivery Bike Safety Technical Code has brought opportunities and challenges to the Electric Delivery Bike industry; this standard has regulated the quality of Electric Delivery Bike products, standardized the Electric Delivery Bike sales market, and prot