Shenzhen ZhongNuo Testing Technology Co., Ltd. offers ATEX and IECEx certification consulting services. We are well-versed in international explosion-proof standards such as IEC 60079, EN 60079, and ISO 80079. We are familiar with the factory audit systems for international explosion-proof certification and can provide reference materials, preliminary explosion-proof technology, and factory inspections. We offer robust support for our clients' export certification of explosion-proof products!
Domestic explosion-proof certifications cannot be directly converted to IECEx certifications. This is because the Chinese explosion-proof certification standard GB/T3836 is essentially a direct citation of the gup ji IECEx explosion-proof certification standard (IEC60079). Therefore, possessing a NEPSI certification does not allow for a direct conversion to IECEx certification.

What documents are required to apply for IECEx certification? -- Shenzhen Zhongnuo Testing Technology Co., Ltd.
1. IECEx Certification Application Form
Samples
4. Product electrical schematics, assembly drawings, PCB layouts, structural diagrams, bill of materials and specifications, labels, etc.
5. Company standards and product manuals compliant with IEC requirements
6. Additional Documents

ATEX Certification Application
The EU has restricted the issuance of ATEX certification to only be granted by notified bodies within the EU to control the safety performance of explosion-proof equipment.
Currently, there were 24 notified bodies involved in the ATEX Directive.
As of May 21, 2014, 67 European institutions have received authorization from the EU announcement.
Commonly compared ATEX notified bodies include TÜV SÜD, TÜV Nord, TÜV Rheinland, DNV, BV, QS, DEKRA, EUROFINS, UL, CSA, ECM, and more.

Can the ATEX certificate be used directly in China? -- Shenzhen Zhongnuo Testing Technology Co., Ltd.
ATEX certification applies to all EU member states but does not serve as a permit for selling explosion-proof products domestically in China.
We have our own explosion-proof certification system. Explosion-proof products sold domestically must pass our explosion-proof certification, not ATEX certification.
However, this does not imply a lack of recognition for ATEX certification.
Instead, products that have passed the ATEX certification can enhance their competitiveness.
ATEX certification and explosion-proof certification share many similarities in their referenced standards, such as incorporating a significant portion of the IECEx certification standards.
If the product has passed the ATEX certification, it is beneficial for applying for domestic explosion-proof certification.
Of course, domestic explosion-proof products typically go through the explosion-proof certification process first before considering export, followed by the application for ATEX certification.
ATEX Certification and IECEx Certification Consulting Services - Shenzhen ZhongNuo Testing Technology Co., Ltd.