We have an excellent developing team on products which including motor, battery, bike frame, and also we have a team on marketing reaserch of new products and material.Our products include: electric bicycle ( lithium battery or lead acid battery); electric bicycle conversion kit; electric motorcycle; bikes and other environmental related products.BTS supply following service: selling bikes and electric bicycles in the marketing; providing sourcing service and doing research on new products with marketing dominant position for customers; assisting customers to develop and produce special bicycle products.