DEAO was founded in 1999, we are professional manufacturer and distributor of tool trolleys, nitrogen tire-chaging machine, carburetor-inspecting machine, working bench, various of testing meters, fule injector tester and parts in the auto-maintenance industry. With excellent quality and strong service support , we gain an affirmative reputation from every maintenance station of many well-known mobile manufacturers here in China, such as Citroen, Honda, Nissan, Ford, ect. Meanwhile, we have exported our products into Pacific Asia, Italy, Russia, the Middle East. we can satisfy different requirments both at home and abroad. DEAO is to establish a long term business relationship with the customers for highlight spirit of BBC(Better quality, Better price, Considerable service.)