Shenzhen Zhongnuo Testing Technology Co., Ltd. is based in South China and specializes in explosion-proof certification and coal safety certification application consulting services, offering one-stop explosion-proof technology consulting services.
Domestic explosion-proof certification modes are divided into three categories -- Shenzhen Zhongnuo Testing Technology Co., Ltd.
1. Explosion-proof certificate system
Applicable Products: Electrical and non-electrical equipment for areas with explosive gases and dust, not used in mining (excluding products listed in the Explosion-Proof 3C Catalogue)
Certification Mode: Product Testing
Certification Certificate: Explosion-Proof Compliance Certificate
Certificate Validity: 5 years
Annual Audit Required: No
2. Explosion-proof 3C Certification System
Applicable Products: Electrical Equipment listed in the Explosion-Proof 3C Catalog
Certification Mode: Combination of Type Testing and Factory Audit
Certification Certificate: CCC Certificate
Certificate Validity: 5 years
Whether Annual Audit: Audit Annually
3. Coal Safety/Mining Safety Certification System.
Applicable Products: All types of electrical and non-electrical equipment used in coal mines and non-coal mine underground areas
Certification Model: Combination of Type Testing and Factory Audit
Certification Certificate: Mine Product Safety Mark Certificate
Certificate Validity: 5 years
Annual Audit Required: Yes, an annual audit is required

What are the requirements for a company to apply for explosion-proof certification -- Shenzhen ZhongNuo Testing Technology Co., Ltd.
For enterprises, there are no special requirements for applying for a domestic explosion-proof certificate (except for the explosion-proof 3C certification).
Primarily, to check if the product meets the explosion-proof standards and to inquire about the certification documents available.
If the product falls under the explosion-proof 3C certification directory, the applicant company must have a manufacturing facility (OEM/ODM is also acceptable).
Because the explosion-proof 3C certification is a certification model that adopts type testing + factory audit.
In addition to product testing, an annual inspection of the manufacturing facility is required.

Do you need to have a flameproof design before applying for a flameproof certification for the product?
This is a given.
The process of obtaining an explosion-proof certification for products is to pass the relevant test items of the explosion-proof standards and obtain an explosion-proof qualification certificate.
To ensure products pass the explosion-proof standard test items, it is necessary to design the products according to the test requirements, which is to say, to implement explosion-proof design.
For explosion-proof requirements, refer to GB/T3836.1 and GB/T3836.2. For intrinsically safe designs, consult GB/T3836.1 and GB/T3836.4. For designs with positive pressure, refer to GB/T3836.1 and GB/T3836.5.
If your equipment is set to apply for explosion-proof certification and enter the explosion-proof market, don't hesitate to send us a private message! ZhongNuo Inspection has been specializing in the explosion-proof field for many years, well-versed in the technical requirements of GB/T3836 and EN/IEC60079 explosion-proof standards, offering explosion-proof product modification and design guidance, as well as a one-stop explosion-proof technical solution.

Why Do Companies Need Explosion-Proof Certification?
Blast-proof certification refers to the process of verifying that equipment meets blast-proof standards, requiring type tests and the issuance of relevant qualification certificates. It primarily targets Ex equipment or Ex components. Blast-proof products generally refer to blast-proof electrical products: electrical products or components with blast-proof functions that can ignite surrounding explosive environments under specified conditions in environments where explosions or dust may occur.
Safety of explosion-proof equipment is closely related to safe production, which is why many countries implement explosion-proof certification systems for electrical products. Explosion-proof products must obtain such certification to be used in hazardous flammable or explosive areas. The #explosion-proof certification# is crucial for ensuring the safety of using explosion-proof electrical products.
Certification for explosion-proof standards can boost product exports, further enhancing the credibility and trustworthiness of the company and its products, thereby increasing market competitiveness. Companies in need of certification can obtain it domestically.
Explosion-proof Certification Application Consultancy Service - Shenzhen Zhongnuo Testing Technology Co., Ltd.