Shenzhen Zhongnuo Testing Technology Co., Ltd. specializes in consulting services for explosion-proof certification and coal safety certification.
What is the difference between applying for ATEX certification and coal mine safety certification for products?
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 intrinsic safety, flameproof, increased safety, positive pressure, and sealed immersion, etc.
Intrinsically safe models are just one type of explosion-proof design. Equipment using this type of explosion-proof design in explosive environments is inherently safe because its working voltage, current, capacitance, inductance, etc., are limited. Even if sparks occur within the internal circuit, they are not sufficient to ignite the surrounding explosive atmosphere.
The ATEX certification is widely used for low-power, energy-efficient instruments, handheld terminal products, and more.
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 ensure explosion-proof performance.
Select the appropriate explosion-proof protection type, such as intrinsically safe, flameproof, or encased, based on product structure, electrical parameters, installation method, and usage area.
It's worth noting that electrical equipment applying for the Coal Mine Safety Certification must not only have explosion-proof capabilities but also meet performance tests for the special underground environment of coal mines.
ZhongNuo Inspection has long focused on explosion-proof certification and coal safety certification, well-versed in certification standards and the design, modification, testing, certification, and factory audit processes and requirements for explosion-proof products. We can help companies quickly apply for explosion-proof and coal safety certifications.

What documents are required to apply for the Coal Safety/Mine Safety certification? -- Shenzhen Zhongnuo Inspection & Testing Technology Co., Ltd.
(1) Corporate Standards
(2) Product Manual
(3) Product Drawings (circuit diagrams, PCB layouts, schematics, assembly drawings, hydraulic diagrams, location maps, etc.)
(4) Bill of Materials (BOM)
(5) Nameplates, factory certificates of conformity, etc.
(6) Sample

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 Qualifications: Anbang Standard Center currently issues certificates only to companies engaged in production/manufacturing/processing or operating under the OEM model.
We have a fixed production facility; the company has production and testing capabilities for the product; a certain number of technical personnel; and a management system that ensures product quality and safety requirements.
(1) Manufacturing and assembly companies with fixed production facilities and equipment, as well as testing equipment.
(2) The product applied for should be within the scope of the company's business operations.
(3) Possesses a comprehensive and effective quality assurance system;
(4) Possesses relevant technical capabilities;
(5) Other relevant conditions

What is the Coal Safety Certification?
Coal Mine Mark Certification (abbreviated as MA, KA Certification) is a mandatory certification implemented by the Coal Mine Safety Mark Office for products used underground in coal mines.
Products listed in the safety certification catalog for mining products must obtain certification. Individuals and organizations are prohibited from selling, purchasing, or using mining products included in the safety mark management catalog that have not obtained a safety mark.
To obtain a safety label for product manufacturing, the following steps are required: application submission, preliminary review and qualification registration, evaluation, and issuance of the certificate.
Coal Safety Certification and Mine Safety Certification Consultancy Services - Shenzhen Zhongnuo Testing Technology Co., Ltd.