The front sealing curtain consists of three pieces of 3 mm thick high-density black polyester with a yellow reverse bar. The surrounding sealing curtain is composed of 0.8 mm thick high-density polyester fiber.
When the truck is docked, the three sealing linings form a flap-like seal on the outside of the truck compartment.
The frame is made of galvanized steel pipe and aluminum alloy with spring balance for better impact resistance.