Shenzhen Zhongnuo Testing Technology Co., Ltd. specializes in consulting services for explosion-proof certification and coal safety certification.
Coal Mine Safety and Safety Certification Declaration Principles -- Shenzhen ZhongNuo Inspection Technology Co., Ltd.
1. Concurrent filing of similar products
2. Multiple products share the same coal safety component
3. Electrical equipment pre-shipment declaration with the whole machine
4. Product shaping followed by declaration

What is the difference between applying for ATEX certification and coal mine safety certification?
intrinsic safety certification, also known as intrinsic safety explosion-proof certification.
In the explosion-proof industry, there are various explosion-proof protection types, such as flameproof, intrinsically safe, increased safety, positive pressure, and encased, etc.
intrinsic safety is just one type of explosion-proof design; equipment utilizing this type of explosion-proof design is used in explosive areas.
Due to the restrictions on its working voltage, current, capacitance, inductance, etc., even if sparks are generated inside the circuit, they are not sufficient to ignite the surrounding explosive environment, making it inherently safe.
The ATEX certification is widely used in low-power, low-energy instruments, handheld terminal products, and other similar devices.
Coal Mine Safety Certification is a mandatory safety certification for equipment used underground in coal mines.
Due to the presence of explosive substances like methane in underground coal mines, electrical equipment used in such mines must be equipped with protective measures to achieve explosion-proof performance.
Select the appropriate explosion-proof protection type, such as intrinsically safe, flameproof, or encapsulation, based on product structure, electrical parameters, installation method, and usage area.
It's worth noting that electrical equipment applying for the Coal Safety Certification not only needs to have explosion-proof capabilities but also must pass performance tests in the special underground environment of coal mines.
Zhenuo Inspection has long been dedicated to explosion-proof certification and coal mine safety certification application consultation. We are well-versed in certification standards, product explosion-proof design, rectification, testing, certification, factory audit processes, and requirements, and can help companies quickly apply for explosion-proof and coal mine safety certifications.

What kind of companies are eligible to apply for the Coal Safety/Mineral Safety Mark? -- Shenzhen ZhongNuo Inspection & Testing Technology Co., Ltd.
Application Requirements for Coal Safety Certification
Company Conditions: Anbang Standards Center currently issues certifications only to companies engaged in production/manufacturing/processing, or operating under the OEM model.
We have a fixed production location; the company is equipped with production and testing capabilities for the product; we have a certain number of technical personnel; and we have a management system that ensures product quality and safety requirements.
Manufacturing and assembly companies with fixed production sites and equipment, including testing equipment.
(2) The product applied for must be within the scope of the company's business operations.
(3) We have a comprehensive and effective quality assurance system.
(4) Possesses relevant technical capabilities;
(5) Other Relevant Conditions

Coal Safety/ Mine Safety Certification Differences
1. Differences in Definitions. Coal Safety Certification, abbreviated as MA Certification, as the name implies, is used in coal mine underground. Mine Safety Certification, or KA Certification, is for non-coal mines, including other metal or non-metal mines; this is the fundamental distinction.
2. The Testing is different. In the type Testing stage, their Testing methods are also quite distinct. In terms of performance, both coal safety-certified and mine safety-certified products undergo Testing based on the same industry standards. However, when it comes to safety performance, coal safety certification requires explosion-proof Testing according to the explosion-proof standard GB/T 3836, while mine safety certification equipment must be tested against relevant industry standards. Coal safety certification is more inclined to prevent explosions, whereas mine safety certification is more focused on product safety performance. This is the difference in their type Testing.
Coal Safety Certification and Mine Safety Certification Consulting Services - Shenzhen ZhongNuo Testing Technology Co., Ltd.