At 10th Hunan Tea Expo 2018 during September 7-10 in Changsha, the total turnover reached 690 million yuan and the sales order achieved 2300 million yuan. Hunan is a big province of tea industry in China, producing Anhua dark tea, Mangshan black tea, Sangzhi white tea, Yueyang yellow tea, green tea, Wulong tea, etc.