1.high SiO2 ( >99.998%)content
2.No lining, no bubble, no scratch in first grade quality

3. Size: 12x 60mm,13x 75mm,12 x 75mm,13 x 100mm,16 x 100mm etc

4.Material:high quality glass, Polypropylene(PP)or Polystyrene(PS)

5. round bottom and flat bottom, rim and without rim
6.Usage: Applies to hospitals, epidemic prevention stations, schools, research units for biological testing, blood tests, microbiological culture, and observed the reduction in the chemical reaction, such as decomposition experiments

7.competitive price,delelivey on time, manfaucture customer size.

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