Busan, Korea

Main Item: chalk, eco, blackboard, shell, school
Business Type: Manufacturer

Bio-Chalk A multi-purpose pen that can replace all writing instruments. It helps teachers and students maintain health with no powder flown around when using for educational purpose, being applied for unique educational purpose for infants and...

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Min Sang Yoon ( )
(20~4000 Characters)
Listed on Jul 26, 2016