Our factory specializes in manufacture of chalk, from Yiwu International Trade City 15 km, more than 100 existing auto mold, production and drying process using the most advanced technology, can produce according to customers samples of a variety of chalk, the world leader in product quality, all through the U.S. ASTMD4236 and European CE certification. I always plant quality first, reputation first, for the purpose of cheap, new and old customers coming guidance and discussion. (more>>)