21 years old, Kai Yit and Boon Ming came to their age of mature.

21岁了，铠毅和文明终于来到了人生的及冠之年。

The physicochemical and biological two stages treatment systems was imported to Pa- per Mill A of Guangzhou Victorgo Industrial Co. Ltd. from YIT, Finland.

广州威达高实业有限公司A厂引进芬兰YIT公司的物化一生物二级废水处理系统。