英语商务函电。 写一封信。拜托了。 write to Canadian Co. Ltd, telling them that the Chinese Export Commodities Fair (Autunm) will open in Jingling Hotel,Nanjing from Oct 3 to Nov 3. tell them that you want to invite them to attend this Fair where they can see a wide range of Chinese exports,especially silk,arts and crafts produced in Jiangsu. ask them to provide you with the personal details of their representatives,such as the full name,age,position,etc. extend your welcome to their representatives to Nanjing for a business visit.