Changsha Vigoroustech Co Ltd is a ISO series Organic Kosher and Halal certified company dedicated to the development and manufacturing of botanical extracts and its derivatives Vigoroustech is dedicated to ensuring the safety of our herbal products Herbs and Herbal Extracts Quality Standards including the herbs exterior color and grain taste odor mesh size density solubility qualitative and quantitative analysis for bioactive components moisture content ash content heavy metal pesticide residue microbiological analysis etc We set up Standard Operation Procedure SOP at each stage complying with that strict quality standard Combined with our research results on plant functions we provide highquality allnatural raw materials and application solutions for the Pharmaceutical Dietary supplement Health food Cosmetic Pet food and Veterinary medicine industries