... 10mm-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 also ... we have exported to many countries, as USA, Chile, Brazil,German, Spain, France, Poland, Ecuador, Hungary, Australia, Japan, ...