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Working Card / product

Working Card
Working Card

Before
the workng card allways have a long tape
it is Very cumbersome
Now
the working card have a power device
when you want use it,you just Pull out the tape to a certain length
it can lock itself
when you finish useing.
just pull out a litiile. It can automatically retract

Design

Ningbo University Of Technology

Ningbo University Of Technology
Ningbo, China

Haoyu Ye Heng Lin Ruoqiong Wang

Design

Ningbo University Of Technology

Ningbo University Of Technology
Ningbo, China