Shanghai AIDU Biotechnology control every product quality strictly. AIDU test every batch goods in factory lab and randomly test in the third party lab.

We just got some report for Dihydromyricetin DHM Test Report From Eurofins.

We especially control PAH for European customers, the sum of PAH4 no more than 50ppb.

Please contact with AIDU if you focus on herbal extracts quality and want to know more about AIDU's natural products.