As the relationship between the underground coal mine production safety of each worker safety, and therefore all countries of the world’s mining products set a strict access conditions. According to “Production Safety Law,” “Coal Mine Safety Regulations”, “mining product safety supervision and management rules mark” and the relevant regulations, the use of coal mine security-related products must undergo a rigorous certification examination and obtain coal mining product safety signs, without obtaining the coal mining product safety signs, shall not be used. The requirement for new entrants play a limited role, is the industry’s entry barriers.