请帮忙指出这句英文的语法错误,

问题描述:

请帮忙指出这句英文的语法错误,
Our company,which is producing upmarket food and our products saled in main areas of the world,is looking for the export sales managers for expanding our business in Europe.

Our company,which is producing upmarket food and of which products are sold in main areas of the world,is looking for the export sales managers for expanding our business in Europe.