Shenzhen Industrial Co., Ltd. and the German Kingsway chalk to share the history of the earliest humans found that charcoal can be used to paint, long before the invention of writing, humans use charcoal to paint in caves in Europe still look to Toner or doing murals charcoal. To the Middle Ages, people began to find, add water with lime, can be made massive objects colored chalk, charcoal pen can use a similar method to record in the dark, or hard surface. (That's paper is very expensive items, carved in the rocks on the board with a carbon pen and easy to blur). And Germany Kingsway Industrial Co., Ltd. is specialized in chalk, chalk dust, non-toxic, environmentally friendly chalk and other products production and processing, welcomed the new and old customers here. Shenzhen Industrial Co., Ltd. and the German Kingsway chalk to introduce you to the history of the 19th century began to use black lacquer painted on wood, is to protect the wood from erosion. Also used to announce important events and the supply of colored chalk, the role of relatively similar announcement bar. But then the "blackboard" very small, and is not intended to be used in teaching. But by the mid-19th century, universities around the world began to flourish, originally joined the faculty of Oral colored chalk, teaching students to mouth in mind, because the increase in the number of students and more apparent that it's inconvenient crayon manufacturing, so in Europe, in the United States are beginning to universal originally a small, non-stationary black bulletin board increases for the copying of teachers of students with a convenient distance oral teaching. Chalk, non-toxic chalk dust, teachers chalk, chalk graffiti of choice for children and Germany Kingsway Industries Limited. Pastel colored chalk Shenzhen procurement _ _ and the German Kingsway Industrial Co., Ltd. (View) provided by Shenzhen Industrial Co., Ltd. and the German Kingsway. "Chalk dust, graffiti chalk, teaching chalk, Yi Nina chalk, chalk graffiti home" preferred Shenzhen and de Kingsway Industrial Co., Ltd. (2), the company is located at: the 17th six of Longgang District Community Liansheng Road over the years, and the German Kingsway to provide customers the best quality service, Contact: Chen Ping. Welcome to the new and old customers call, letter, visit the guide, business negotiations. And Germany Kingsway expect to be your long-term partner!