Tea lovers usually refer Lao Ban Zhang (老班章) as the King of raw Pu'er tea. Its flavor is powerful and complex which is bitter with a sweet aftertaste. Tea lovers often describe the taste of Lao Ban Zhang as dominant (霸). In 2008, Mr. Chen Sheng He identified the value of tea in Lao Ban Zhang village. He signed contracts with the villagers, from then onwards Chen Sheng Tea Co., Ltd became the major buyer of Lao Ban Zhang tea raw material. Since then, most of Lao Ban Zhang tea, whether compressed into cake size or bricks, were manufactured and branded by Chen Sheng Tea Co., Ltd.