Luntong Power 3 is an electronic disk (domestic industry name) transaction, and the exchange is called LME Select, that is, online electronic trading, which is the official electronic trading platform of the exchange. Class I and II members of the Exchange (brokerage companies) can directly enter the system to trade for customers. Customers can also buy and sell online directly through brokerage companies. The trading time is London time 1 a.m. to 7: 00 p.m. (9: 00 a.m. to 3: 00 a.m. Beijing time). LME 1- Choice: 09: 00-03: 00 (the next morning). Please note: In summer, due to the use of daylight saving time in Britain, the Beijing time of the transaction is advanced by 1 hour. 2. Off-exchange transaction (also called office or telephone transaction): 24 hours a day. 3. On-site trading (on-site trading & off-site trading): 1 9: 45-0100 (the next morning) Please note: in summer, due to the adoption of daylight saving time in Britain, the Beijing time for trading is advanced1hour 19: 45. The first section begins with aluminum alloy 19: 45- > tin 19: 50- > aluminum 19: 55- > copper 20: 00- > lead 20: 05- > zinc 20. At 0:30, starting from the second paragraph, copper 20: 30- > aluminum alloy 20: 35- > tin 20: 40- > lead 20: 45- > zinc 20: 50- > aluminum 20: 55- > nickel 21:00 21:. OTC trading starts at 2 1: 30. OTC trading ended at 23: 0010. The third quarter begins. Aluminum alloy closed for 5 minutes at 23: 10 23: 15. Lead 23: 20- > zinc 23: 25- > copper 23: 30- > aluminum 23: 30. 3:55 the fourth quarter begins with polypropylene 23: 55- > kerbstone 00: 00- > zinc 00: 05- > copper 00: 10- > aluminum 00: 15- > tin 00: 20- > nickel 00: 30 05- > aluminum alloy.