Test tube
We can supply all kinds of test tube

  Test tube without rim plain, Boro 3.3 glass, Soda glass

  Test tube with rim, plain, Boro 3.3 glass, Soda glass

  Fermentation test tube

  Test tube with slide tube

  Test tube with graduation

  Test tube with ground-in glass stopper

  Test tube with graduation and ground-in glass stopper