Cart: The cart is the most basic handling tool, consisting of a platform and two or four wheels. It is suitable for the 

short-distance handling of light goods, such as boxes, luggage, etc.

Tray carts: Use pallets to support and carry goods. It is suitable to scenarios that require lifting and transferring heavy

 goods, such as factories, warehouses, etc.

Forklift truck: The forklift truck is a professional handling equipment, with a front fork and a rear driver's seat. It is suitable

 for scenarios that require efficient, large handling of heavy goods, such as logistics centers, freight terminals, etc.

A flat car: A flat car is a flat handling device, usually consisting of one platform and four wheels. It is suitable for carrying 

long and bulky objects, such as furniture, machinery and equipment, etc.

Manual pile high car: manual pile high car is a kind of manual operation truck, through manpower to improve and reduce

 the goods. It is suitable for scenarios that require simple cargo lifting and stacking, such as stores, warehouses, etc.

Electric reactor high car: Electric reactor high car is a kind of truck driven by electric motor, can improve and reduce goods. 

It is suitable for scenarios that require efficient, large handling of goods, such as large warehouses, logistics centers, etc.

This is just some common types of porters, in fact, there are many other types of porters, you can choose the appropriate 

model according to the specific needs.