The certification of explosion-proof electrical installation and maintenance capability is issued by several institutions and can be used for construction in various explosive hazardous areas. As a professional agency for obtaining explosion-proof electrical installation, maintenance and repair qualification certificates, Zhongnuo Testing has accumulated corresponding certificates for hundreds of customer enterprises. Apply for the qualification certificate for explosion-proof electrical installation, maintenance and repair at Zhongnuo Testing, and adopt a combination of online and offline training methods. The training and examination standards areGB3836Series standards, regular monthly1-2Training and exam arrangements, with full assistance in preparing the necessary documents, can save processing time and costs for corporate clients. The certificate is authentic, authoritative, and trustworthy!