As an ancient writing tool, chalk has become an indispensable presence in education, conferences, and public speeches due to its unique material, writing style, and cultural heritage. It witnesses the transmission of knowledge and the collision of wisdom, and also carries the emotions and culture of generation after generation. In the future, no matter how technology develops, chalk will continue to play its unique charm and value, contributing its own strength to the progress of human civilization.

Regular chalk is prone to moisture absorption, decreased hardness, and easy breakage when stored for a long time. The blackboards used in schools include cement boards, wooden boards, and ground glass boards. Due to different levels of smoothness on the surface of the blackboards, the softness and hardness of the chalk are also required. The new generation of dust-free chalk can change its softness and hardness at will, and will not slip or break easily when used on various blackboards. It also writes fluently, effortlessly, and has a good hand feel. Dust free chalk is a high-tech product that has been successfully developed in addition to cosmetic materials used in production. Environmentally friendly, non-toxic, dust-free, it is an ideal teaching and office supplies for modern teaching.