已于2011年12月23日香港联合交易所上市。的翻译：On December 23, 2011, listed on the stock exchange of Hong Kong. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Was December 23, 2011 Hong Kong Stock Exchange.

On December 23, 2011, listed on the stock exchange of Hong Kong.

Hong Kong united exchange going on the market in December 23, 2011.

In December 23, 2011 listed on The Stock Exchange of Hong Kong.

On December 23, 2011, listed on the stock exchange of Hong Kong.