We are an inventor/manufacturer of the Auto Twist Lock for trailer chassis. Our product automatically locks or unlocks while loading or unloading trailers using the weight of the container itself.This feature of our "Auto Twist Lock" not only makes the loading/unloading process simple and convenient, but also improves the overall safety of the trailer and the container during transportation.- Time for loading and unloading is shortened.- Easy to use.- Excellent durability.- More convenient for drivers in bad weather.- Loading Auto-Lock, unloading Auto-Release.- Can release binding on uneven roads during operation.
