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It's a new concept of the ring of the can.There are two existing types of rings of cans: one is to be pushed into the can,which is not clean;another is to be pulled down,which is a burden before you drink up.This type of ring makes it cleaner and more convenient to drink.When you want to drink,you just need pull it up and whirl it aside.
Shao Shiyi,Qian Manqian,Xu Sisi,Yuan Sisi,Wu Fangyuan,Luo Zhening,Ouyang Chenglin,Sun Xin,Chen Si,Pan Yu,Lin Zhenyu,Chen Fan