Guangzhou non-toxic, non-toxic chalk chalk _ _ Chaozhou and Germany Kingsway

Shenzhen Kingsway Industrial Co., Ltd. and Germany to introduce you to the knowledge of chalk, blackboard with chalk Jieyang toxic chalk, gypsum powder is coated on the blackboard. Shenzhen toxic wipe the blackboard chalk, gypsum dust (chalk) in the air after a short flying crashed near the blackboard in the object plane and the ground. The larger the particle, more than 100 microns, the heavier, faster fall-toxic chalk, floating in the air a short time. More chalk crayons, colored chalk, chalk graffiti, graffiti chalk color of choice and Germany Kingsway Industrial Co., Ltd. Shenzhen Kingsway Industrial Co., Ltd. and Germany to bring common sense chalk chalk although harmless to humans, but millions of Chinese teachers, every day for writing on the blackboard with chalk, daily living after wiping the blackboard Dongguan toxic chalk chalk dust can still cause nose, throat, throat discomfort. Non-toxic chalk completely solve this health problem, it is not dust residues in the human body, can be excreted by the human excretion. Non-toxic chalk, crayons and more chalk, crayon, chalk graffiti, graffiti chalk color of choice and Germany Kingsway Industrial Co., Ltd. Guangzhou non-toxic, non-toxic chalk chalk _ _ Chaozhou 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!