The defect rate of electric bicycles produced by Space cardan  Electric Bicycle is less than 0.48%. Our frame is made of 6061 aluminum alloy material and has undergone fatigue and bumping tests with a load of 70KG and 30W cycles. The frame can be used for more than 15 years. At the same time, the product must undergo battery aging testing, motor durability testing, and a full vehicle inspection before shipment, all of which are qualified before shipment.

We have 26 years of manufacturing experience, 13 years of experience in exporting to countries such as Europe, America, Japan, and South Korea, and 11 years of experience in operating public bicycle systems both domestically and internationally. We have over 15 professional R&D and design teams, providing oem/odm services to domestic and foreign customers, and can support any customized needs according to your needs. We have over 283 cooperative suppliers that can meet all your needs. You can trust us!