Dec 28, 2012
1. materials: low borosilicate/neutral borosilicate/ high borosilicate glass , match your diffirent using
2.welcome OEM/ODM
1. Test tube with round bottom and flat bottom 2. Test tube with rim and without rim3. Regular size,12*55,12*60, 12*100, 15*100, 16*150, 18*150, 18*200,...