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Chongqing Wandai Education Technology Co., Ltd. All Rights Reserved

渝ICP备18017498号-1 Powered by: www.300.cn

PRODUCT ADVANTAGE

EP & Health / Easy to Write and Erase

Manufacture of Writing Ink Patent Technology
Environmentally friendly and time-delayed wiping

 

环保健康  好写易擦环保健康  好写易擦

 

1.Fully Pass EU SGS Certification   

  2.Delayed wiping time exceeds 200 days   

3.Invention patent products, easy to write, easy to erase, environmental protection and health

 

环保健康  好写易擦