... thin slice, catty 80”. The Production of Hei Cha, began in tea early of the 16th century, ... Jiajing Three Year, namely in 1524, Hei Cha was stipulated as the Official Tea transported to ... mellow to the taste with lasting scent.Hei Cha Series accumulates several hundred years traditional production craft, ... by domestic and foreign experts professor proved: Hei Cha contains the many kinds of amino acids, ...