50ml Clear injection glass vial, US $ 0.04 - 0.05 / Piece, Glass, Rubber stopper, Pharmaceutical & drugs.Source from Shandong Pharmaceutical Glass Co., Ltd. on Alibaba.com. Q: Who we are? A: We are “ Shandong Pharmaceutical Glass co., LTD ”, the largest manufacturer of pharmaceutical glass packaging and butyl rubber stopper in Asia since 1970, the TOP 3 daily capacity in the world.