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.
With the method of push and pull,changed
the existing rotation mode,both ends have
different aspects,simple easy to use and su
italefor the use of part of the disabled popu
lation.To make it become human.
GUANGDONG INDUSTRY TECHNICAL COLLEGE
GUANG ZHOU, China