Delivery of natural rubber Article 40 Delivery unit: 5 tons. Article 41 See the standard contract of natural rubber of Shanghai Futures Exchange for the delivery grade. Article 42 See Annex V for the origin of the delivered goods and the standards of premium and discount. Article 43 Packaging: (1) The outer packaging of domestic first-class standard glue must be packed in polyethylene film and polypropylene woven bag in double layers, each with a net weight of 40 kilograms and 25 packages per ton, and no over-loading or short-loading is allowed. The size of the plastic bag is 60×40×20cm, and the outer surface of the plastic bag must be marked with: standard rubber, grade, net weight, manufacturer's name or code, production date, etc. (2) Imported No.3 cigarette glue is a plastic bag covered with film, and the weight of each delivery batch must be the same. The weight of standard parts is111.11kg, with 9 bags per ton, without overflow. The weight of non-standard parts can be measured according to the actual situation, with 0.2% increase or decrease clause and 3% overflow allowed. Article 44 Necessary documents for commodity delivery: (1) Provide the original quality inspection certificate (or inspection/appraisal report) issued by the national legal inspection institution designated by the exchange, which is consistent with the physical delivery. (2) When the imported No.3 cigarette glue is delivered in kind, a copy of the customs declaration form of the imported goods, the original or copy of the commodity inspection certificate, the foreign trade contract, the special payment book for customs import duties and the special payment book for value-added tax issued by the customs on behalf of the customs shall be provided. (3) The inspection method is sampling inspection, and the sampling place shall be carried out in the delivery warehouse designated after warehousing, and sampling in transit such as stations and docks is strictly prohibited. The inspection lot is less than100t (including100t) and more than100t, which shall be inspected in batches. Article 45 Validity period: (1) The validity period of domestic first-class standard rubber delivered in storage is at the end of the second year of production, and those exceeding the validity period are converted into spot. If the domestic first-class standard glue produced in that year is used for physical delivery, it must be put into storage before June of the following year at the latest, and it shall not be used for delivery after the deadline. (2) The validity period of the imported No.3 cigarette glue delivered in storage is eighteen months from the date of issuance of the commodity inspection certificate, and the imported No.3 cigarette glue will be converted into spot. No.3 cigarette gum used for physical delivery must be put into storage within six months from the date of issuance of the commodity inspection certificate, otherwise it shall not be used for delivery. (3) The commodity inspection certificate and quality inspection certificate (or inspection/appraisal report) of natural rubber in the warehouse shall be valid within 90 days from the date of issuance. After the expiration, the corresponding goods must be re-examined and qualified before they can be used for the next delivery. Article 46 Natural rubber warehouses must be dry and clean. The designated delivery warehouse shall conduct unpacking inspection on 10% of the whole batch delivery at the time of acceptance, and sew again. If the surface is found to be aging, cracked, wet, moldy, black and seriously polluted, it shall be rejected and shall not be delivered for use. Article 47 The subject matter listed in the standard warehouse receipt must be natural rubber of the same batch and place of origin. Article 48 After receiving the delivery money from the buyer's member, the Exchange will refund the delivery position deposit. If the Exchange thinks that the goods delivered this time may have quality objection, it has the right to clear the delivery parts of the seller members who have no objection to this delivery on the first working day after 15 of the next month of the delivery month. Article 49 Delivery place: the delivery warehouse designated by the Exchange.