The trading unit of natural rubber contract in Shanghai Futures Exchange is 10 ton/lot. The trading unit of natural rubber contracts in Shanghai Futures Exchange is 10 ton/lot, which means that each natural rubber contract represents 10 ton of natural rubber products. During the trading period, both the buyer and the seller trade on a unit of 10 ton of natural rubber products. It should be noted that different futures contracts may have different trading units, so when participating in futures trading, please be sure to understand the specific terms of the relevant contracts.