Processing procedure:Customers only need to provide the company's business license and employee ID information, stamp and return the professional materials provided by Zhongnuo Testing, and participate in a 2-day training and exam within the training period. After the exam is over, simply send the test paper back to Zhongnuo Testing. All other tasks are completed by Zhongnuo Testing Agency. Easy and convenient processing, worry free evidence collection!

As a professional agency for the installation, maintenance, and training of explosion-proof electrical equipment, Zhongnuo Testing has obtained corresponding certificates for hundreds of customer enterprises. At Zhongnuo Testing, the qualification certificate for installation, maintenance, and repair of explosion-proof electrical equipment is obtained through online training. The training and examination standards are based on the GB/T3836 series standards, and 1-2 training and examination sessions are arranged regularly every month. We assist in preparing the necessary documents throughout the process, which can save time and cost for our enterprise customers. The certificate is authentic, authoritative, and trustworthy!