Shenzhen Kingsway Industrial Co., Ltd. and Germany to share the history of the earliest human chalk found charcoal can be used to paint, long before the invention of writing, humans, non-toxic paint with charcoal chalk advantage in European caves can still see The mural made to the toner, or charcoal. By the Middle Ages, people began to find teaching non-toxic chalk, lime, add water, you can make massive objects, you can use a similar method of charcoal pen, to record in the dark, or hard surface. (That's the 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 production and processing of chalk and other products, welcome new and old customers to visit. Shenzhen Kingsway Industrial Co., Ltd. and Germany to share understanding penned chalk chalk calligraphy calligraphy brush method and writing essentials after toxic chalk factory, we can begin to practice writing on the blackboard, in addition to outside mental focus when writing, but also should have the right blackboard posture, correct posture can make full use of favorable factors for the various parts of the human body, but also beneficial to health. 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. Use non-toxic chalk | and Germany Kingsway (certified) | Heyuan, Shenzhen and non-toxic chalk is provided by the German Kingsway Industries Limited. 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.