Pu’er Lancang Ancient Tea Co., Ltd. engages in research and development, production, and sales of tea. It offers products under the product lines 1966 and Tea Mama. The 166 product line offers Pu’er tea leaf products that target Pu’er enthusiasts and advanced tea drinkers. The Tea Mama product line provides a product portfolio that caters to a broader consumer base. The company was founded by Chun Yi Du in 1966 and is headquartered in Pu’er, China.