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no dropping / 15006185371

no dropping

When we use bottles, whatever liquids it filled with,
generally have some to drop out.No dropping is a
new bottleneck which is improved and redesigned
in order to make residual liquid return to the bottle.
Clean and no waste.


Jiangnan University

Jiangnan University
Wuxi, China


Jiangnan University

Jiangnan University
Wuxi, China

Ye Qian Guo Yi Guo Yingshuang