Establish in 1986, Longyan kejia Tea Industry (Head Office: Xiamen Cotea Hygienic Article Co., Ltd.) is an ecology-protecting enterprise which has been specializing in Chinese tea promoting and Chinese tea high-tech researching. Continuously cooperating with the famous professors from medical universities for more than 20 years, Kejia has developed decades of exclusive technologies in tea using fields. Most of those technologies have been conferred with national patents.