Yes According to the announcement issued by Zhengshang, the trading code of Lunxi Futures is "Lunxi", the trading unit is 1 ton/hand, and the margin ratio of the exchange is 8%. So the Renxi unit is a dinner party. Lunxi refers to the following London tin (the CFD contract with price difference is not futures), which is denominated in US dollars and traded on the London Metal Exchange, and is related to the US dollar index.