Founded in 2019, DAZHEN is an advanced manufacturer of EBIKE. CARBON FIBER BIKE. ATV. UTV. Electric scooter, & self balancing electric scooter in all over the world. Headquartered in Shenzhen, Guangdong Province, DAZHEN established five production lines, covering an area of 5, 000 square meters, with over 500 ourstanding workers. With 3 years of experience in engineering, manufacturing and marketing, DAZHEN established their own brand "ESWING", which has now become an internationally renowned brand in this field. Meanwhile, DAZHEN has a professional research & development team, which provides high-quality & reliablable OEM & ODM service for clients from all over the world. With professional testing equipment and instruments, all DAZHEN products undergo strict quality control and product testing before being delivered to customers. In terms of certification, DAZHEN products have passed CE, RoHS, FCC, KC and other certification tests. In terms of customer after-sales service, Sony has a top-notch customer after-sales service team, experienced technical engineers and overseas warehouses, which can provide customers with better and more professional product guarantees.

Dongguan Chineng Electronic Technology Co., Ltd is a company dedicated to the develpment production and markting of lithium-ion battery, nickel-metal hydride battery, lithium-polymer battery, to customers provide a total product solutions for high technology enterprises, products are widely used in various fiedles(such as: Cordeless communication, remote control toys, home electrical appliances, medical equipment, power tools, electric bicyles, lighting and other fields)