12: 30- 12: 35 (official quotation)

15:30- 15:35

16: 15- 16:20

Brief introduction of London copper industry;

LME is the world's largest copper futures trading market, established in 1876. Trading varieties are copper, aluminum, lead, zinc, nickel and aluminum alloy. The futures trading of copper began at 1877, and there are two kinds of copper traded:

Negative grade copper: Grade A copper

Copper bar: The specification standard is Grade A copper, and the weight is between 1 10- 125 kg.

Among them, the trading of cathode copper is the most active. All delivered copper must have Grade A copper approved by the London Stock Exchange, which conforms to the British BS 6017-1981standard classification specification.

The contract rules for Class A electrolytic copper are as follows

The contract quantity unit is 25 tons.

Quote USD/ton

Telephone transaction with the lowest price fluctuation: 0.5 USD/ton, electronic disk: 0.25 USD/ton, venue: 0.0 1 USD/ton.

There is no limit to the scope of price limit.

The delivery date is any trading day within three months.

Three to fifteen months is the third Wednesday of every month.