JZ-I-B electric cargo tricycle (back door open) are highly recommended product with a high sales confirmed. The last mile delivery again plays a major role in its growing popularity.
Back door would be opened, simply to load and unload cargo, to serve your different needs.
https://www.wfjpre.com/Electric-Cargo-Tricycle-back-door-open.html
North of Cuifang Street of Beihai Road, Fangzi District, Weifang City (Machinery and Equipment Park)