1. copper: copper is one of the important raw materials in military products, which is used to manufacture wires, cables and electrical equipment. In the futures market, copper futures are generally composed of Shanghai copper futures, nickel-copper alloy futures and gold-copper alloy futures.

2. Aluminum: Aluminum is also a common raw material in military products, which is widely used in military fields such as airplanes and missiles. In the futures market, aluminum futures are mainly Shanghai aluminum futures.

3. Petroleum: As the most important material in the energy field, there is also a great demand for petroleum and petroleum products used in the military field. In the futures market, oil futures mainly include crude oil futures and fuel oil futures.

4. Natural gas: As a fuel, natural gas is also widely used in military industry, such as power generation and heating. In the futures market, natural gas futures are mainly composed of natural gas futures.