... , NOP, QS, HALAL 4.CE mark Yunnan Dianhong Group Limited Company(Dianhong group for short) was found in March of 1939. based ... People’s Republic of China, it has been a designated enterprise for the production of black tea for export of the ... it is known as the “national tea”.Manufacturer: Yunan Dianhong Group Co., Ltd Storage Method: Stored in clean, ventilated, dark place, others no ...