Beijing, October 28 (Youth.cn) - The Qingdao-Yunnan Joy Fair took place in Qingdao City on October 26th. Over 100 kinds of products from over 30 companies of the two places were exhibited on the fair. Tea leaves, medicine materials, fruits, wines and other selected specialties were offered by the exhibitors. They widened the sales channels by exhibitions and fairs where they established cooperation and common development and satisfied multiple consumption demands of the market. Photo/VCG