Shenzhen Kingsway Industrial Co., Ltd. and Germany for share chalk, chalk dust chalk improvement products belong to the ordinary means in the eradication of classroom chalk dust pollution. It just added fats and oils or poly alcohols as a binder in the ordinary chalk, then add a large proportion of fillers, such as clay, marl, cement, etc. This allows the chalk dust and volume are increasing the proportion of non-toxic chalk, easy to fly, but non-toxic chalk wholesale In practice, it chalk dust pollution reducing effect is not very obvious. And Germany Kingsway Industrial Co., Ltd. is specialized in Ai Nina chalk, chalk graffiti home, pastel and other products production and processing, if necessary, please call contact information on the picture to contact us. Shenzhen Kingsway Industrial Co., Ltd. and Germany to bring chalk strokes Fame, as stated earlier, non-toxic chalk price, Chinese characters are from a variety of strokes. To sum up teaching non-toxic chalk, mainly a little, horizontal, vertical, left, flick, pick, pack, hook the eight basic strokes. Each basic strokes can write a variety of forms, these basic strokes in a variety of forms like machine parts, can directly affect the quality of the product (Chinese characters) of. More chalk crayons, colored chalk, chalk graffiti, graffiti chalk color of choice and Germany Kingsway Industrial Co., Ltd. Non-toxic chalk dust, and the German Kingsway (certified), non-toxic chalk is provided by Shenzhen Shenzhen Kingsway Industrial Co., Ltd. and Germany. Shenzhen and Germany Kingsway Industrial Co. (hedehuifu.com) Guangdong Shenzhen, chalk leader, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. And the German leadership at Kingsway staff warmly welcome all inquiries to discuss, create and Germany Kingsway a better future.