Ⅰ. Delivery unit
The contract size of Standard Tin Futures Contract is 1 ton per lot and the Delivery Size is 2 tons per warrant. Each delivery shall be carried out based on the integral multiple(s) of each warrant.
Ⅱ. Quality Specifications
1. Tin ingots used for physical delivery must comply with all specifications prescribed in the
National standard of GB/T 728-2010 Sn99.90A, with the total content of the Tin > 99.90%. The substitutions used for physical delivery must comply with all specifications prescribed in the national standard of GB/T 728-2010 Sn99.90AA, with the content of Tin > 99.90%, or as prescribed in the Sn99.95A or Sn99.95AA, with the content of Tin > 99.95%, or as prescribed in Sn99.99A, with the content of Tin > 99.99%.
2. The tin is delivered in the form of ingot. The average weight of domestic tin ingots shall be
25kg±1.5kg.
3. Each overlanded and shortlanded warrant shall not exceed + 3%, and pound weight difference
shall not exceed + 0.1%.
4 .Each warrant of tin must consist of commodity of the same manufacturer, nameplate, registered
trade mark, quality grade, shape and approximate weight per piece.
5. Each warrant of tin must be the registered brand approved by the Exchange and attached with
quality certificate.
6. The warrant must be issued by the Exchange approved warehouse for delivery after passing its
acceptance check based on applicable regulations.
Ⅲ. The Exchange approved manufacturers and registered brands
Tin ingots used for physical delivery must be of the brand registered with the Exchange. The specific registered brands as well as the premium and discount standard will be provided and announced by the Exchange.
Ⅳ. Certified Delivery Warehouse
The Exchange will designate and announce the warehouse for delivery. The premium and discount for warehouse for delivery at different locations will also be provided and announced by the Exchange.