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.
The appearance of the bottle may remain unchanged.
The improvement is using the cone surface instead of
the plane bottom.As the role of the gravity,the liquid
will be down,that even if the liquid remain little,the straw
also can suck up the liquid.Do make the best usd and
reduce the waste.
South China Agricultural University
Liu Xiao Yuan