Drostanolone Propionate CAS 521-12-0

Shanghai Oster Biotechnology Co.,Ltd is founded in 2009,Which is a comprehensive and high-tech enterprise specializing in raw powder, chemical synthetic drug, pharmaceutical intermediates, Chemical raw materials, as well as chemical antisepsis. integrating R&D, manufacturing, operating and marketing into an organic whole. Our company commit to provide the first-class products and high-quality service for global consumers. Raw powders and pharmaceutical raw materials are main products. We have been serving in the field for nearly 10 years. Our products achieve the advanced standard of domes