Warming up One of the most common practices in business is attending fairs What are fairs? Fairs are platforms for manufacturers to display products, for buyers to pick up preferable goods, for business to develop contacts. list of some annual fairs such as International Motor Fairs, National Book Fairs, Toys Show in Shanghai, etc)Warming up One of the most common practices in business is attending fairs. ◼ What are fairs? Fairs are platforms for manufacturers to display products, for buyers to pick up preferable goods, for business to develop contacts.( list of some annual fairs such as International Motor Fairs, National Book Fairs, Toys Show in Shanghai, etc)