1.Uses polystyrene raw materials that meet USP-Class VI standards and is produced in a GMP 100,000 clean workshop

2.6 kinds of capacity specifications, 1ml, 2ml, 5ml, 10ml, 25ml, 50ml and 100ml

3.Two packaging methods, independent paper-plastic packaging and bulk packaging

4.The end of the tube is marked with a color ring, and the body of the tube has a corresponding color bar background, which is convenient for quickly identifying the capacity 

5.Positive and negative double scale design, clear printing, improve sampling accuracy 

6.Negative scale design provides a certain additional sampling capacity 

7.No pyrogen, no endotoxin, no cytotoxicity