Shenzhen ZhongNuo Inspection Technology Co., Ltd. is based in South China and specializes in explosion-proof certification and coal mine safety certification application consulting services, offering a one-stop explosion-proof technology consulting service.
Why do companies need explosion-proof certification?
Intrinsically safe certification refers to the process of determining if equipment meets explosion-proof standards, requiring type testing and the issuance of relevant certificates. It primarily targets Ex equipment or Ex components.
Explosion-proof products generally refer to explosion-proof electrical products: used in environments where explosions of gases or dust may occur.
Electrical products or components with explosion-proof functions, capable of igniting surrounding explosive environments under specified conditions.
Safety of explosion-proof equipment is closely related to safe production, hence many countries implement explosion-proof certification systems for electrical products.
Explosion-proof products must obtain explosion-proof certification before they can be used in flammable and explosive hazardous areas.
Blast-proof certification is essential for ensuring the safety of the use of blast-proof electrical products.
Blast-proof certification can boost product exports, further enhancing the credibility and reputation of the company and its products, thereby increasing market competitiveness.
Enterprises requiring certification can obtain explosion-proof certification domestically.

The explosion-proof certification is a mode of explosion-proof approval for products outside the explosion-proof 3C catalog.
As of October 1, 2009, a portion of explosion-proof electrical equipment was included in the CCC certification list, which is a mandatory product certification. Products on the list must undergo the explosion-proof 3C certification, following the "product testing + factory audit" model. For a detailed explosion-proof 3C certification list, please refer to the relevant content on our website. Explosion-proof products not on the list can opt for a certificate of conformity, which can be obtained simply by passing the product testing.
The general procedure for obtaining an explosion-proof certification includes: submitting relevant product documents, conducting product testing, and upon passing the test, issuing the explosion-proof certification. During the application process, ensure that your product complies with the relevant explosion-proof standards and requirements.
If you're unfamiliar with explosion-proof standards and certification requirements, that's fine. Shenzhen ZhongNuo Testing Technology Co., Ltd. offers explosion-proof design and modification, certification agency services, including intrinsic safety, flameproof, explosion-proof enclosures, and positive pressure types, to help businesses conveniently obtain explosion-proof certificates.

ATEX certification is a mandatory certification for explosion-proof products in the EU, which falls under the ATEX Directive of the CE certification. The directive code is 2014/34/EU, and the main certification standards are EN 60079 and ISO 80079 series, applicable to the EU and regions.
Explosion-proof equipment seeking entry into the EU market must comply with all the standards required by the ATEX directive, which entails obtaining ATEX certification.
ATEX certification differs from IECEx certification. IECEx is the International Electrotechnical Commission's explosion-proof electrical product certification system, a voluntary certification applicable to IECEx member states. In contrast, ATEX certification is mandatory and its explosion-proof marking is more complex than the IECEx certification mark. Additionally, ATEX certification certificates cannot currently be converted to other certificates outside the EU, while IECEx member states all directly or indirectly recognize IECEx certificates.
If you require ATEX or IECEx certification services, Shenzhen ZhongNuo Testing Technology Co., Ltd. can provide you with technical consultation and process agency services. Our service team is well-versed in the ATEX and IECEx certification processes and requirements, and can tailor a suitable certification solution for you.
If you have any further questions about ATEX or IECEx certifications or need additional assistance, feel free to contact us anytime!

Intrinsically safe equipment has explosion-proof ratings of IA, IB, and IC, determined based on intrinsic circuit evaluation considering both counted and uncounted faults. IA rating is used in Zones 0, 1, and 2; IB rating is suitable for Zones 1 and 2; IC rating is only applicable in Zone 2.
Additionally, intrinsic safety equipment can be used in both mining and non-mining explosive gas and dust environments, primarily by limiting the energy in the circuit, ensuring that it cannot ignite the surrounding explosive atmosphere under normal operating conditions and in the event of a fault, thus inherently safe and hence termed as intrinsic safety type.
If you have more questions about the design and certification of intrinsically safe equipment, Shenzhen ZhongNuo Testing Technology Co., Ltd. can continue to provide you with answers.
Explosion-proof Certification Application Consultation Service - Shenzhen ZhongNuo Inspection Technology Co., Ltd.