Chongqing, one of the four major automobile manufacturing regions in China, has gathered a large number of vehicle manufacturers, special vehicles and automobile and motorcycle supporting manufacturers, such as Chang'an Automobile, Qingling automobile, Lifan automobile, Chang'an Mazda, Chang'an Ford, TieMa truck, Hengtong bus, Yu'an automobile, Kairui special vehicle, Kuayue automobile, Chang'an Suzuki, ivek Hongyan and Zongshen automobile, Apsonic China's customers in the automotive industry directly or indirectly provide supporting products with Chongqing ultrasonic welding.