... province of China, this black tea, cultivated in high altitude about 5000 feet above sea level. Yunnan black tea could come ... difference lies in processing. The traditional method of processing black tea involves four basic steps: withering, rolling (for ), ... of black tea such as Golden Monkey Tea, China Black Tea with Silver Tips, China Keemun (Qi Men) Tea, Yunnan Black Congou and so on black tea( ...