Duoli Technology has established stable cooperative relationships with many automobile manufacturers and has become a qualified supplier for well-known new energy vehicle manufacturers.

Dolly Technology has established stable cooperative relationships with many automobile manufacturers such as SAIC Volkswagen, SAIC GM, SAIC Passenger Vehicle, and SAIC Maxus, and has become a qualified supplier for well-known new energy vehicle manufacturers such as Tesla, Li Auto, NIO, Leapmotor, and BYD.