... -32mm 4.shape:round,flat,tringle medical glass tube , the size can according to the customer' ... type: low borosilicate glass we can offer glass tube with diameter 10-30mm height 20-200mm. the ... bottom of tube can be flat and round. We can ... Brazil,German, Spain, France, Poland, Ecuador, Hungary, Australia, Japan, Korea, Singapo, Malaysia, Thailand, Sysia, Pakistan, Jordan etc. ...