Chengdu Alfa Biotechnology Co.,Ltd. is a leading supplier of phytochemical reference standards for regulatory filing and quality testing or early stage R&D,professional in extraction, synthesis and purification. We are constantly expanding, having developed our operations globally. With more than 1,000 products in stock, We have developed a strong global customer base across leading research institutes, universities, contract research organizations and large pharmaceutical and biotech companies. Working with us means quality products at best prices with a superior lead time and an u