SCREENLIB

ScreenLib is a leading global manufacturer of ultrapure herbal reference standards. Our product ranges comprises more than 6,500 comprehensively documented phytochemicals - the ChemFaces ® Reference Substances... 1. ChemFaces Natural Products pay careful attention to the purity and stability our products. We can provide the chemical test data by NMR, LC-MS, and HPLC. If you are in any way unsatisfied with the quality of our products, we will unconditionally refund or replace the products in question.

Primary location: Wuhan Prc