Natural rubber futures standard contract trading variety Natural rubber trading unit 10 ton/lot Quotation Bit (RMB)/ton Minimum fluctuation price 5 yuan/ton Maximum fluctuation limit of daily price shall not exceed 3% of the settlement price of the previous trading day 1, 3, 4, 5, 6, 7, 8, 9, 10. 2. Imported No.3 smoke film (RSS3), the quality of which conforms to the International Standard for Grade Quality and Packaging of Natural Rubber (Green Paper) (version 1979). The transaction fee of 5% of the minimum transaction contract value of the delivery warehouse designated by the Exchange at the delivery place shall not be higher than 1.5% of the transaction amount (including risk reserve). The physical delivery transaction code RU is listed on the Shanghai Futures Exchange.