BEIJING, Dec 24 (Reuters) – China’s securities regulator on Friday proposed a tightening of rules governing the listing of Chinese companies abroad, something that it said would improve supervision and enable companies to continue to do so. . The China Securities Regulatory Commission (CSRC) said on its website that it proposes to establish a new framework for the listing of Chinese companies abroad. Overseas initial public offerings (IPOs) have been an alternative source of capital for Chinese companies in the past, and the New York listing has been seen as a badge of honor for many. Beijing has been studying…