excellent mechanical strengh, impact-resisting ,and non-cracking

1. bottle mouth and thread are of precise measurement, enabling well close match with safe bottle cap.

2. plastic medicine bottle's safe thread can be molding directly, act in connect with safe bottle cap.

3. the size and weight of the product can calculate and design clearly and meet the requirment of the design without any deviation.

4. the joint sseam on the bottle body is smooth, no scrap rubber