The green pencil take an environmental protection terminology, has the same meaning to a certain extent with the organic foods, namely meant safety, environmental protection, non-toxic. Therefore, may also be called “does not have the lead poisoning” the pencil. So-called, “does not have the lead poisoning” is not narrow refers to in the pencil the blue lead content not to exceed the allowed figure only, but refers to in the pencil to have many kinds of element content not to exceed the allowed figure willfully possibly. The domestic well-known pencil brand Mark pencil proposed most early the wooden rod pencil “do not have the lead poisoning” the concept, is the domestic green pencil represents the brand.
The green pencil refer are the entire journey do not have the pollution in the pencil manufacture process, in the selection lead, the penstock, the bond, the paint and so on need when system pen raw material, the strict control its virulent deleterious substance content, enables in pencil's pencil lead, the wooden rod, the paint each category of element content to achieve the national security standard to the wooden rod pencil's quality and the secure examination requirement, even passes European Union and US's standard of security.