未上市的公司的股票不能在证交所或其他股票市场公开挂牌交易。
The unlisted companies can not trade their securities through the listing system at the stock exchange or other stock markets.
公司债券也可在股票交易所公开挂牌交易，并通过股票经纪人买卖。
Some corporate bonds are also listed on stock exchanges and may be bought through stock brokers.
冠豪高新于2003年公开发行股票，在上海证券交易所挂牌上市，证券代码：600433，证券简称：冠豪高新。
In 2003 it made public offering of A shares and was listed onShanghai Stock Exchange. Stockcode:600433. Stock for short: Guanhao High–Tech.
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