VDK Nutrition Biotech caring for human health.Total investment is US$260 million, covering an area of more than 1,435,200 sq ft.The annual output is over 500 tons.As a medium-sized technology enterprise, VDK are engaged in the manufacturing and sales of bio-pharmaceutical and nutrition ingredient with exclusive patented synthetic biology technology.VDK technology is world leading, the advantage is obvious. VDK has a highly equipped R&D center with an area of 5000 square meters. Our product exports to Europe and America mainstream law market. Main competitive product are 5-HTP, Melatonin etc.VDK has been developing internationally competitive dietary supplement nutrition ingredient products & pharmaceutical intermediates.