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Apply with chemical combination technology. it form nonadhesive film. which can 't adhibit dust easily. and pollution is easy to clearly to chalk.
应用化合架桥技术形成非粘著性涂膜,不易粘上灰尘。对粉笔、蜡笔等所沾上的污渍也特容易清洗。
无粘着力的
Apply with chemical combination technology. it form nonadhesive film. which can 't adhibit dust easily. and pollution is easy to clearly to chalk.
应用化合架桥技术形成非粘著性涂膜,不易粘上灰尘。对粉笔、蜡笔等所沾上的污渍也特容易清洗。