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COCO Key Ring / COCO Key Ring

COCO Key Ring

In the daily life,when we want to load a key into a key ring or detach it from a
key ring,we need to use our fingernails to break the ring apart.But it is not only hard but also does harm to our fingernails.COCO key ring is made of two
"c" shape stainless steel.Since there is a track between the two "c" steel,we
can load into or take off keys easily by turning the two "c" steel to the same


Guangdong Ocean University

Guangdong Ocean University
Zhanjiang, China

Xiaobin Li,
Guangdong Ocean University

Runheng Dai ,
Guangdong Ocean University

Jiaqing Wu,
Guangdong Ocean University

Minyou Zhong,
Guangdong Ocean University