Shenzhen Kingsway Industrial Co., Ltd. and Germany to share with non-toxic chalk chalk price, ordinary chalk dust chalk belong improvement products, means the elimination of classroom chalk dust pollution. It just added to the ordinary chalk in fats and oils or poly alcohols as a binder, then add a large proportion of non-toxic chalk filler, such as clay, marl, chalk dust and cement it will give both the proportion and volume growth large, easy to fly, but 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 non-toxic chalk wholesale, if necessary, please call contact information on the picture to contact us. Shenzhen Kingsway Industrial Co., Ltd. and Germany to give us the characteristics of chalk blackboard school use cement board, wood and frosted glass panels, due to different surface smoothness blackboard, chalk requirements are not the same level of hardware and software. A new generation of chalk dust can be arbitrarily changed its softness, the board will not be used on a variety of slipping or easily broken phenomenon, and writing fluency, effort and feel good. In addition to producing clean chalk cosmetic material successful development of high-tech products. Environmentally friendly, non-toxic. 100% clean, modern education ideal teaching office supplies. Colored non-toxic chalk, chalk Zhaoqing nontoxic, and Germany provided by Shenzhen Kingsway Kingsway Industrial Co., Ltd. and Germany. Shenzhen and Germany Kingsway Industrial Co. (hedehuifu.com) strong, credible, in Shenzhen, Guangdong chalk industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement and innovative ideas will lead Germany Kingsway and you hand into the brilliant, for a better future!