Health teas in the market have formed a certain production scale, such as: Ninghong Health Tea from Jiangxi Xiushui Tea Factory, Wulong Xizhu Jujube Tea from Qing County, Hebei, Lingzhi and Du Zhong health teas from Oriental Immortal Grass Health Products Co., Ltd. (Fuzhou), Qingyin Tea from Hangzhou Tea Factory, Beigi Tea from Daxing'anling Jiagedaqi Natural Tonics Factory, Feiyan Weight Loss Tea from Shenyang Xingwei Health Products Co., Ltd., Wuyeshen Tea from Guangzhou Huaxian Food Industry Development Company, Luo Han Guo Tea from Guangxi Guilin Tea Research Institute, etc., which are popular both domestically and internationally.