Chaohua Glasswork Co.,Ltd is incorporated in 2002,dedicated in glass pharma packaging field.We are manufacturing and providing specialized glass vials for the pharmaceutical, biotechnology, and scientific research industries. In our product range,we are manufacturing and exporting crimp finish,screw finish,clear and amber glass vials of USP type 1,2 and 3.Our vials and bottles are widely used for injectables,serum products which are needed to be lyophilized,also suitable for reagents.We manufacture and test these vials according to Chinese standard and ISO8362-1.We have our regular items in dimensions,and can make specific dimensions on customers&＃039;demand.