Core functional modules Multi functional design with deformation: Quick switching mode: It can quickly transform from a 2-wheel handcart to a 4-wheel platform cart, meeting different handling needs. Dual use mode: supports flat or upright operation, flexibly adapts to heavy object placement and handling methods. Strong load capacity and stability: Load capacity: The frame is sturdy and durable, with a maximum load capacity of up to 400 pounds (approximately 181.4kg), making it easy to handle heavy loads. Reliable structure: The overall design is stable and can effectively disperse weight, avoiding shaking during transportation. All terrain wheelset configuration; Wheel combination: Equipped with rubber wheels and universal wheels, it moves smoothly and brakes stably. All terrain adaptation: It can smoothly drive on uneven ground, grassland, cement ground and other terrains without any usage restrictions. Portable storage features: Folding design: It can be quickly folded after use, with a compact size that does not take up much space. Easy to store: After folding, it can be easily placed in the car trunk, storage room, and other spaces for easy access and use.