We are located in Oklahoma City, Oklahoma, United States. As talented individuals who are looking for careers in our company, you would want to know that: At PurMa Biologics, we take pride in producing very high-quality products. Additionally, we vigorously conduct post manufacturing quality control in a unique way as the following. Er keep several sets of samples of each Lot from the manufactured products at room temperature as well as at 4°C. After initial quality control experiments, we evaluate every Lot three times before the expiry date: