Product Design

Product Design
New Design: Use Partially Died Batteries for Flashlight with D Type R-Battery

New product design: R Battery (D Type) can accommodate three partially dried AA or AAA batteries to re-use them in Flashlights etc.
New Design: Spiral Ink Refill Makes All The Sense

Designed by Han Chi-hoon, Kim Yeon-soo, Park Byung-gon and Kim Sung-geun, Spiral Pen Refill makes all the sense to the buyer, environment and manufacturers.

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