With the approval of the relevant state departments, Anhui Grain Wholesale Trading Market (main venue) and relevant sub-venues undertake the organization task of bidding for japonica rice with the lowest purchase price and temporarily stored japonica rice in the country. In order to ensure the smooth progress of bidding and trading activities, these trading rules are formulated. These rules apply to the auction sales transactions of temporarily stored grain (japonica rice) in the trading market. The auction and sales activities of national temporary storage grain adopt on-site bidding and online bidding at the same time. Entrusted by the relevant state departments, China Grain Reserve Management Corporation, as the seller, signed the trading contract on behalf of the seller.