Shenzhen Zhongnuo Inspection & Testing Technology Co., Ltd. specializes in consulting services for explosion-proof CCC certification. We have a wealth of consulting cases in the field of explosion-proof 3C certification. We are well-versed in the application process and technical requirements for explosion-proof 3C certification, and can provide clients with consulting services such as application assistance and factory audit guidance.
Market Access System for Explosion-Proof Products
1. explosion-proof certificate system
(1) Suitable for all explosion-proof products
(2) Certification Model: Type Testing
2. CCC Certification
(1) Suitable for select explosion-proof products only (excluding metering products and explosion-proof lighting)
(2) Type Testing + Factory Inspection
3. Coal Safety Mark (MA)
(1) Products suitable for underground coal mine use
(2) Type Testing + Factory Inspection
Intrinsically Safe 3C Certification is a mandatory certification for electrical equipment listed under the Intrinsically Safe 3C Catalog.
A combination of type testing and factory audit is being adopted. Currently, the mandatory certification for some explosion-proof products has been implemented for over a year.
Many corporate clients are gradually becoming aware of and familiar with the explosion-proof 3C certification.
For detailed product catalogs, certification standards requirements, and procedures, please consult Shenzhen ZhongNuo Testing Technology Co., Ltd.!
Do you have a product catalog for explosion-proof electrical equipment that has been converted to a mandatory product certification (CCC certification)?
ZhongNuo Inspection: Yes. The market has issued an announcement converting the production permit for explosion-proof electrical equipment to a mandatory product certification.
We have also issued a notice expanding the scope of explosion-proof electrical products from production license to mandatory certification.
Products listed in the product catalog must be manufactured, sold, or engaged in other business activities during the transition period with a valid production license or CCC certification.
After the transitional period, only products with valid CCC certification can be manufactured, sold, or otherwise engaged in business activities.
Basic Process for Applying for the Explosion-Proof CCC Certification
A. Submit a 3C certification application for explosion-proof electrical equipment online. The required documents include:
(1) Certification Application Form
(2) Certificate of registration for the certifying party, producer, and manufacturing enterprise
(3) Product Description, including: technical specifications, structure, model descriptions, list of key components and materials, and explanations of differences between products of different specifications within the same certification unit.
(4) Technical documents, mainly including: product standards (or technical specifications), manuals, product drawings related to explosion-proof performance, etc.
(5) Certificate of Compliance for test samples, Factory Inspection Reports, etc.
(6) Manufacturer Information Sheet (required for factory inspections)
(7) ODM Model: Provide the relevant documents as required by the supplementary provisions of CQM02-C1 "Supplementary Regulations for ODM Model in CCC Certification," such as the ODM agreement.
(8) OEM Model: OEM agreements, etc.
(9) Proof of relevant change projects for change applications.
(10) Any other required documents.
B. Review application documents
Applications are typically reviewed within 2 working days.
C. Laboratory Testing
Upon approval of the review materials by the institution, schedule the Testing task to the lab within 2 working days.
Lab Selection:
Sample Submission Requirements: Samples to be submitted according to laboratory specifications
D. Testing Cycle
Deadline: Generally, a Testing Report will be issued within 30 working days after confirmation of the sample receipt, depending on the completeness of the provided information by the customer and the requested explosion-proof type. If there are modifications during the testing process, the modification time will not be included. For composite types or tests with complex and lengthy project cycles, the testing time will be extended accordingly.
F. Provide Testing Report
(1) Non-compliance with mandatory testing must be rectified within 3 months.
(2) If the Testing Report remains unissued for 12 months after issuance due to customer reasons, the Testing Report will become invalid.
G. Initial Factory Inspection
通常在型式试验结束后3个工作日内安排初始工厂检查。
(2) Audit takes 2-6 person-days, calculated based on unit numbers and the number of relevant personnel in the company.
(3) Audit Basis: Factory's quality assurance capability and product consistency.
(4) Corrective actions for non-compliance during factory inspections must be completed within 40 days.
(5) Factory inspection results will be reviewed within 5 working days.
H, Frequency Certificate
The institution conducts a 5-workday review following the submission of the type test and factory reviewing report, and issues a Certificate upon approval.
Explosion-proof 3C Certification Consulting Services - Shenzhen Zhongnuo Testing Technology Co., Ltd.




































