The traditional tea gardens are found near villages where the local people produce chewing tea. Some traditional Assam tea gardens have been used to produce green tea. The modern tea gardens are found mainly in Chiang Rai, where tea varieties and processing technologies have been imported from Taiwan and China. Chiang Rai province has the largest tea-cultivating area of approximately 7,200 hectares with a yield 17,500 tons of fresh tea leaves per year