Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
We need to separate it vigorously by fingers when we use the pumping rod clip.It's not only very difficult, but also makes fingers pain.But now we can put files into the clip easily,and we can save time without being injured.
ningbo university of technology