... 2 1,Most Effective Herbal 2,orgnic raw materials 3,manufacturer Dichen-Cistanche tubulosa Extract 2Quality standard ... Desert Medicine Developing Co.,Ltd , Hetian Dichen Pharmaceutical &Bio-technol Co.,Ltd Aksu Dichen Fruit Biotechnology Co., Ltd., Shanghai DiChen Industrial Co., Ltd., DiChen Group ... process flow is completed in purification workshop with a neatness degree of 100,000 and national GMP ...