Guangzhou Numberone Biotech Co, . Ltd is a famous manufacturer of all kinds of health and medicine products. We constantly develop and offer new product to the market. Our guiding principle is €quality first, customer satisfaction€. The operation guideline of our company is to offer our customers the best quality and favorable prices for all products. It is our ultimate goal to extend our market presence to every part of the world. If you have any question, please contact usfreely. We will give you the best answer at any time! We warmly welcome sincere cooperation with customers from at home and abroad to explore a bright future together. Our main product: Cortical hormone, progestogen, male hormone, female hormone, assimilable proteins and intermediate.