Reliable. An yun Education is a company focusing on safety education. This company was established on 20 17, and it is a regular company protected by official website's certification law. It is legally registered in the Ministry of Industry and Information Technology, holds formal and legal business documents, belongs to a legal enterprise, and its business scope is within the scope permitted by law, which is very reliable. The company is mainly engaged in registered fire safety engineer, electrician certificate training, continuing education and safety production training. It is reliable to use our software to test electrician certificate.