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The certification of installation, maintenance, and repair capabilities for explosion-proof electrical equipment is currently one of the essential certificates for most explosion-proof electrical construction units in China. Below, Zhongnuo Testing will provide a brief explanation of the process and requirements for reference only. If you need detailed processing procedures and technical documentation, please contact Zhongnuo Testing directly.

Issuing Authority: Nanyang Explosion proof Electrical Research Institute Co., Ltd./National Explosion proof Electrical Product Quality Inspection and Testing Center

Certificate inquiry website: www.china-ex.com

Certificate validity period: 3 years. After the certificate expires, it needs to be reissued.

Handling method: Offline training, combining theory and practice, and conducting on-site evaluation.
Application requirements: Apply in the name of the company, and the certificate includes both company certificate and personal certificate.

Training period: 2 days

Data preparation: ISO9001 system, equipment list, equipment calibration certificate, operation manual, etc. (there are 20-30 technical documents, and Zhongnuo Testing can provide samples and assist in writing)

Scope of application: Customers can choose one, two, or three of the three terms installation, maintenance, or repair according to their own needs. The selected scope of application varies, with different costs and required documents.

On site review: For offline training, the training instructor needs to conduct technical and on-site evaluations on site. If the review fails, the company needs to make corrections. Nuo Testing can provide guidance on the specific review content.

Zhongnuo Service Advantage: Full process assistance, including technical document and data preparation assistance, on-site review coaching, process coordination, etc.