Shenzhen Zhongnuo Testing Technology Co., Ltd. specializes in consulting services for explosion-proof certification and coal safety certification.
In explosive environments, explosion-proof electrical equipment must be used with an effective explosion-proof certification; electrical equipment used in coal mines must obtain coal safety certification prior to entering the mine, as required by relevant Chinese regulations. This applies not only to the coal industry but also to industrial sectors such as petrochemicals, metallurgy, etc., where explosion-proof electrical equipment must be used to ensure production safety and prevent explosion accidents.
The current safety production situation in our country remains extremely severe, with explosion accidents occurring frequently. It is imperative to accelerate safety production efforts across all industrial sectors. For coal mining enterprises, selecting reliable explosion-proof equipment is one effective means to effectively curb explosion accidents.
What explosion-proof certifications are required for explosion-proof products? What are the organizations for explosion-proof certification applications?
Currently, the certification models for explosion-proof products entering the Chinese market mainly consist of three types.
1. Obtain explosion-proof certification for equipment used in environments with explosive gases and combustible dust in non-coal mines; only product testing is required, and a certificate is issued upon passing the test.
2. Conduct explosion-proof 3C certification; for products listed in the explosion-proof 3C catalog, product testing and factory audits are required.
3. Coal Mine Safety Certification, for explosion-proof equipment used underground in coal mines, involving product testing and factory audit certification.
ZhongNuo Inspection is an institution offering explosion-proof certification application consulting.
We offer a one-stop service for explosion-proof certification and coal safety certification, including product explosion-proof design and modification, drawing evaluation, certification acquisition, and factory audit.
Proficient in certification standards and processes, with ample case studies and experience. Feel free to send us a direct message!
What is the difference between ATEX certification and CE certification?
CE certification is a mandatory certification in the EU market, and all equipment and products entering the EU market must pass the relevant CE directive certification.
For example, there are EMC directives, LVD directives, MD directives, ATEX directives, etc.
Different products are subject to different certification directives, with the ATEX directive specifically for explosion-proof equipment and products. In essence, ATEX certification can be considered the CE certification for explosion-proof products.
Each directive has different applicable standards; for the ATEX directive, the applicable standard is the EN60079 series.
The same explosion-proof type is applicable to various standard series.
For instance, EN 60079.1 is the standard for explosion-proof, EN 60079.7 for increased safety, and EN 60079.11 for intrinsic safety, and so on.
Learn more about ATEX certification and feel free to DM Shenzhen ZhongNuo Testing Technology Co., Ltd. anytime!
How long does it take to apply for the Coal Safety/Mine Safety certification?
Due to the relatively complex process for applying for coal safety/mining safety certification,
In addition to the testing time being controlled by our lab,
All other processes are conducted through online application and review, and the timeline generally adheres to the review periods set by relevant institutions.
The certification process for coal safety/mining safety typically takes 6-7 months, following the standard application procedure.
Specifically, based on the customer's product structure and the information provided by the customer.
Coal Mine Safety Certification and Mine Safety Certification Consultancy Services - Shenzhen Zhongnuo Testing Technology Co., Ltd.




































