Tip: The stock of the North Exchange is the stock of the original New Third Board Select Layer. As long as you meet the trading experience of 2 years and the capital threshold of 500,000 yuan, you can buy shares of the North Exchange. However, to purchase the stocks of the basic layer and the innovation layer of the New Third Board, it is necessary to meet the capital requirement that the average daily assets in the first 10 trading day are not less than 2 million and100000 and 2 years of investment experience respectively.