Shenzhen ZhongNuo Testing Technology Co., Ltd. offers application and consulting services for explosion-proof electrical installation, maintenance, and maintenance qualification certificates.
Certification for installation, maintenance, and repair of explosion-proof electrical equipment is one of the key qualifications for companies engaged in explosion-proof construction and renovation.
Many companies engaged in explosion-proof construction改造 inquiries about obtaining certification for the installation, maintenance, and repair of explosion-proof electrical equipment.

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 Testing Technology Co., Ltd. for renewal.
ZhongNuo Inspection offers a combined online and offline training approach based on real-time domestic dynamics.
Upon passing the training examination, certificates will be issued promptly to meet the diverse needs of our clients.

Explosion-proof electrical equipment installation, maintenance, and repair currently commonly involves several reputable institutions, including Shenyang Institute, Tianjin Institute, Jiamusi Institute, and Nanyang Institute, among others.
These institutions all have the same effectiveness in the installation, maintenance, and repair of explosion-proof electrical equipment, which is recognized nationwide.

The Installation, Inspection, and Maintenance Manual for Explosion-Proof Electrical Equipment requires the company and at least 3 employees to be certified together.
An additional charge applies for each extra employee added.
If an employee leaves, they cannot take this certificate with them.
It is generally recommended that employees with long-term stability attend the Zhongnuo inspection.
Application Process and Consultancy Service for Qualification Certificate for Installation, Maintenance, and Repair of Explosion-Proof Electrical Equipment - Shenzhen Zhongnuo Testing Technology Co., Ltd.