Product Functions 1.? The dolly adopts the most advanced, stable and secure technical design of China and foreign countries. 2.? The dolly working surface is loaded with 22 zinc-coated rollers which to be advantageous for container loading and unloading. 3.? The rear part is loaded with spring type suspension hook which prevents the dolly from getting unhooked. 4.? The towbar has multi-dolly connection and braking dual functions. 5.? The front axle design is a steering axle. 6.? The tire uses the ultra-wearable solid core tire, the service life is long. 7. ?The?trailer?can 360° revolve , 90° automatic stoppage spacing. The two sides are loaded with fixed foot board organization. It can be extremely operated convenient. The working surface is loaded with the insurance?locking installment, prevented strictly?the container falling off in the movement process.? 8. ?Loading form: side loading. 9.? May load LD1、LD2、LD3 aviation container.