Sign up for
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.
It’s difficult to squeeze last bit of toothpaste out because the toothpaste will remain in the inside walls of the toothpaste’s package, cause the waste of toothpaste. And every time squeeze the toothpaste, the strength cause the package split easily. Therefore, we change the way squeeze the toothpaste out.
Guangdong University of Technology