Sincere (HK) Co. Limited China Office is a trading company mainly engaged in pharmarceutical chemicals, plant extract and intermediates. We have good cooperation relationship with many professional manufacturers, we offer customers high quality best ...

We are Herb Extract Group Co. Ltd, which is one of the leading manufacturers and exporters botanical, herbal plant extracts in China. have always manufacture extarcts, such as: Resveratrol 50% 98% , Bilberry extract (Anthocyanidins UV 25% ) Ginkgo Biloba P. E, ...