It is widely used in medicine and chemical industries, and for teaching and research. It has many kinds of specifications, such as test tube with standard, test tube with conical bottom and culture tube etc. We can also make it according to your requirements. Attached the products we have stored Test Tubes and Culture Tubes Test tube 3ml 12x55mm test tubes, Standard 12x55mm test tubes, Conical Bottom 12x60mm test tubes, Standard 12x60mm test tubes, Conical Bottom Test tube 5ml 12x75mm test tubes, Standard 12x75mm test tubes, Conical Bottom 13x75mm test tubes, Standard 13x75mm test tubes, Conical Bottom Test tube 10ml 13x100mm test tubes, Standard 13x100mm test tubes, Conical Bottom 16x100mm test tubes, Standard 16x100mm test tubes, Conical Bottom 17x100mm test tubes, Standard 17x100mm test tubes, Conical Bottom