Generally,the market is called the border tea,and the production area is at the junction of Yunnan Province and Vietnam.The referred to as a tea species,not the place of origin.There are also North Vietnamese Jing near the Jiangcheng area of Pu'er,and the production of Yunnan Daye tea in northern Vietnam is also produced.In terms of tea characteristics,the angle of the leaf veins is smaller,and the square flat -shaped and long grooves appear,which is different from the large leaves of large leaves in Yunnan.
