Chengdu Alfa Biotechnology Co.,Ltd. is a leading supplier of herbal and botanical references standards for regulatory filing quality testing or early stage R&D,professional in extraction, synthesis purification. We are constantly expanding, having ...

Chengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of TCM(Traditional Chinese Medicine) ingredient reference standards, High Purity Phytochemicals, Natural Active Ingredients ...

Avanztec is a Canadian supplier of premium-quality research chemicals & other fine chemical products to organizations and researchers around the world for laboratory development within diverse range scientific investigations.Our materials are used ...