... , NOP, QS, HALAL 4.CE mark Yunnan Dianhong Group Limited Company(Dianhong group for short) was found in March of 1939. based ... , a famous Chinese tea expert, which was renamed into “Yunan province Fengqing tea factiry” in 1954. since the 1940s, the Dianhong ... it is known as the “national tea”.Manufacturer: Yunan Dianhong Group Co., Ltd Storage Method: Stored in clean, ventilated, dark place, others no ...