At present, Dalian Commodity Exchange has 16 1 member units and 464 designated delivery warehouses. 202 1, Dashang achieved 2.4 billion lots (unilaterally, the same below), with a turnover of 14 1 trillion yuan and an average daily position of10.55 million lots. According to the statistics of the Futures Association (FIA), in 20021year, the trading volume of major exchanges ranked ninth in the world, and they were important agricultural products and futures markets such as plastics, coal and iron ore in the world.