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The explosion-proof electrical installation, maintenance and repair qualification certificate is one of the essential qualifications for companies engaged in the explosion-proof electrical construction industry. As a professional agency for explosion-proof electrical installation, maintenance and repair qualification certificates,Zhongnuo TestingAccumulatively obtained corresponding certificates for hundreds of client enterprises. Handle testing at ZhongnuoExplosion proof electrical installation, maintenance and repair technical training certificateAdopting online training methods, the training and examination standards are based on the GB/T3836 series standards. 1-2 training and examination sessions are scheduled regularly every month, and assistance is provided throughout the entire process to prepare and process the required documents. This can save processing time and costs for our enterprise customers. The certificate is authentic, authoritative, and trustworthy!