High grade dust-free teaching chalk, craft chalk, toy chalk, ship chalk, hexagonal chalk, clothing chalk, medical chalk, cone head chalk, hardcover chalk, calcium carbonate chalk, cockroach chalk, painting chalk, rocket head chalk, marking chalk, wood chalk, hexagonal chalk, foreign trade chalk, industrial chalk, barreled chalk, environmental protection chalk and other kinds of modeling chalk . Has more than 20 years of professional production experience and advanced production management process, has independent intellectual property rights and independent brand and production, supply, marketing, as one of the formal production limited liability company.