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I am interested in medical borosilicate glass vacuum test tubes, the inner walls should not be treated with silicone. Empty and with sodium citrate 3.8 8 ml and release gel And if this is not available, then what kind of vacuum tubes do you have with honey glass and how are they sterilized

We are looking for a manufacturer / supplier of glass test tubes in the size of 14 * 120 mm.

I am looking for a supplier of glass test tubes of different sizes.