1. Material: stainless steel, economical, suitable for a wide range of markets. 2. Double deck worktops are equipped with stainless steel guardrails to prevent objects from slipping off the worktops; 3. The car body is mainly divided into double-layer structure, and the space is relatively large for storage; 4. There are 4 high-performance casters under the car body, which are directly connected and durable; It can be pushed and turned freely on the flat ground, and 2 castors are equipped with brakes;