In 1990, Duta Java Tea Industry Company transformed into Tang Mas Company that developed packed beverage. The company that is located in Cidahu, West Java. Tang Mas Company first produced packed mineral water taken from spring water in Gunung Salak, West Java with ‘2Tang Mineral Water’ as the brand.
Through research and development, in 2001, Tang Mas Company made a new innovation by introducing packed orange flavor beverage – Frutang- produced in Cimanggis, West Java. Frutang is a success product in the market and becomes a leading fruit flavor beverage in Indonesia.
In 2005, Tang Mas Company releases a new product – bottled green tea – Zeastea. Zeastea made from finest green tea leaves graded with jasmine, C vitamin, water and Antioxidant Epigallo Catechin Gallat (EGCC). Zeastea has various variants; Pure Zeastea Green Tea Jasmine, Sweet Zeastea Green Tea Jasmine, and Zeastea Green Tea Apple.