Specializing in the production and sales of various high-grade dustless chalk and metal, plastic chalk holder. Chalk production using the most advanced technology and drying technology, reliable quality, and businesses can request packaging. Our products are exported to Europe, America, Japan, Korea, Southeast Asia, South America, Africa, Middle East, Taiwan, Hong Kong and dozens of other countries and places. products through ASTMD-4236 and EN71 certification. Please contact merchants and we are in need