中国股市的诞生是改革开放的成果。至2004年4月30 日,沪深两市共有1314家上市公司,另有125家证券投资公司。境内股票总值约达4.5万亿元人民币,沪深两地开户数目达7000多万户。虽然上市主营包装的企业只有30多家,但它们却是包装行业的“核心资产”,更是发展包装市场经济的“助推 The birth of China’s stock market is the result of reform and opening up. As of April 30, 2004, there were 1314 listed companies in Shanghai and Shenzhen stock exchanges, and another 125 securities investment companies. The total domestic stock value of about 4.5 trillion yuan, the number of accounts opened in Shanghai and Shenzhen reached more than 7,000 million. Although there are only over 30 listed companies in the main packaging market, they are the “core assets” in the packaging industry and the “booster” in the development of the packaging market economy