1.？ Container ships mainly transport goods with short delivery time and high value, such as clothing, electrical appliances, cosmetics and fruits.

2.？ Bulk carrier: It mainly transports bulk goods, such as coal, ore and grain.

3.？ Ro-ro ship: the main means of transportation.

4.？ Tanker: It mainly transports crude oil and refined oil.

5.？ Liquefied gas carrier: it mainly transports liquefied petroleum gas and liquefied natural gas.

6.？ Ordinary cargo ships now have a fashionable name: special ships, that is, transporting timber, oversized pieces, steel and other goods.

What is a commodity?

Bulk commodities refer to material commodities that can enter the circulation field, but are not retail links, and have the commodity attributes of industrial and agricultural production and consumption. In the financial investment market, bulk commodities refer to homogeneous, tradable commodities such as crude oil, nonferrous metals, agricultural products, iron ore and coal, which are widely used as industrial basic raw materials.

Including three categories, namely energy commodities, basic raw materials and agricultural and sideline products.

Commodities that can be traded in China are:

Shanghai futures:? Copper, aluminum, zinc, natural rubber, fuel oil and gold; Dalian futures: soybean, soybean meal, corn, soybean oil, palm oil and plastics.

Zhengzhou futures:? Hard wheat, strong gluten wheat, sugar, cotton, PTA, vegetable oil, etc.

Small commodities are relative to large commodities. It is a commodity that can enter the circulation field, mainly in retail and small transactions, such as jewelry, toys, stamps, old RMB, Chinese painting, ginger, garlic, Tianqi and so on. All belong to small commodities.