The main technical content includes the performance and size of the lead of the charcoal drawing pencil, the size of the pen barrel, the sliding core, the eccentricity number, the pen barrel coating, the bonding fastness of the pen barrel, the core breakage within the rod, and the appearance requirements and corresponding test methods, and stipulates the carbon drawing pencil lead. Requirements and test methods for migratable element content and phthalate plasticizer content in drawing pencils.