We've been in plant extract line for 24 years, mainly supplying top quality plant extract to Europe and Japan. In 2005, we invested and co-work to produce spirulina. Up to now we have one our own factory to produce Tribulus extract40% 90%, Maca 4:1 and Rhodiola extract 3% Rosavins. Also we cooperate with reliable CGMP factory to supply other standardized plant extract.For spirulina, we have 4 factories to back us up. two has our investment, since we've been in this area for such long time and our main market is Europe and Japan, so our advantage is quality control and fair price. Usually our customers worry about 3 things: 1. Fake material 2. unstable supply 3. right sample but bad with bulk quantity• we also understand when the quality fails, the return of goods will cause great loss for our customer and even for us. I cannot say during these 24 years we satisfy our customers every time, but we have confidence that what we produce or supply you now are well selected and quality ensured. We do not do every product, we only do what we do all the time. Besides, we accept full money return if quality fails.