Shenzhen ZhongNuo Testing Technology Co., Ltd. offers consultation services for applying for explosion-proof electrical installation, maintenance, and maintenance qualification certificates.
The validity period for the Installation, Maintenance, and Inspection Manual of Explosion-Proof Electrical Equipment is 3 years. After expiration, please consult and apply to Shenzhen ZhongNuo Inspection Technology Co., Ltd. for renewal.
Certificates from different institutions have varying application processes and requirements; some can be completed through online training and exams, while others necessitate on-site training and evaluations.
Customers can choose the appropriate certificate based on their actual situation and needs.

The Explosion-Proof Electrical Equipment Installation, Inspection, and Maintenance Manual requires the company and at least 3 certified employees to be present. An additional charge applies for each extra employee added.
If employees leave, they cannot take this certificate with them.
Generally, it is recommended that employees with long-term stability attend the CNOR inspections.

Blast-proof electrical equipment installation, maintenance, and repair services are commonly provided by several institutions, including Shenyang Institute, Jiamusi Institute, Liaoning Explosion-proof Institute, and Fangyuan CQM.
These machines' explosion-proof electrical equipment installation, maintenance, and repair are all equally effective and nationally recognized.

Application Conditions and Documents for Installation, Inspection, and Maintenance of Explosion-Proof Electrical Equipment
1. Business License and Personal
2. At least 3 individuals must complete a knowledge training in explosion-proof electricals, pass the examination, and obtain a personal training qualification certificate.
3. On the basis of the above, only then can the company obtain the qualification certificate for the installation and maintenance of explosion-proof electrical equipment.
4. Examination Standards: GB/T3836-2021 Series Standards
Application Process and Consultancy Services for Qualification Certificate of Explosion-Proof Electrical Equipment Installation, Maintenance, and Repair - Shenzhen Zhongnuo Testing Technology Co., Ltd.