... tubulosa Extract 2 1,Most Effective Herbal 2,orgnic raw materials 3,manufacturer Dichen-Cistanche tubulosa Extract 2Quality standard:total phenylethanoid ... companies are: Dichen 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 (Hong ...