Meizhou toxic chalk | Zhanjiang toxic chalk | and Germany Kingsway

Shenzhen Kingsway Industrial Co., Ltd. and Germany to bring chalk, teachers often need to write on the blackboard, drawing to explain. In 45 to 50 minutes of a lesson where we should erase several times, the next class, often in the hands, sleeves, or even leaving a layer of white chalk on the hair, shoulders. Shantou toxic chalk every day, year after year, for 20 to 30 years after the Meizhou-toxic chalk, killing tens of thousands of chalk. Inevitably inhale some chalk from the nostrils. Inhalation chalk whether pathogenic, is for the majority of teachers to the concerns. Chalk, chalk dust, non-toxic, teachers chalk, chalk graffiti children preferred Kingsway Industrial Co., Ltd. and Germany. Shenzhen Kingsway Industrial Co., Ltd. and Germany to introduce you to the knowledge of chalk, blackboard with chalk, gypsum powder is coated on the blackboard. Wipe the blackboard, plaster dust (chalk) in the air after a short flying crashed in the object plane and on the ground near the blackboard. Its non-toxic chalk Jieyang larger particles, more than 100 microns, the heavier, faster fall in the air, floating in a short time. More chalk crayons, colored chalk, chalk graffiti, graffiti chalk color of choice and Germany Kingsway Industrial Co., Ltd. Meizhou toxic chalk | Zhanjiang toxic chalk | and Germany are 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!