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guqingkong / measuring instrument

guqingkong
guqingkong

Do you know the size of the your finger? When you buy a ring, do you know which one is suitable for you? Finger measuring instrument can help you. By wearing the finger measuring instrument, you can know the perimeter of your finger. Consequently, you can choosing the right ring size according to the finger perimeter.

University

上海第二工业大学

上海第二工业大学
上海, China