Method of use of self-destructing syringe for single-use?

The self-destructing syringe is a disposable syringe product. After the injection is completed, the pushrod cannot be pulled out from the syringe by manual or mechanical force, so it can play a self-locking effect.
Different types of nucleic acid extraction tubes if selected?

The extraction tube can be used to extract ordinary or viscous liquids for titration. It can be equipped with a filter element. Common liquids, viscous liquids and impure liquids can be extracted and titrated.