Shenzhen Zhongnuo Testing Technology Co., Ltd. specializes in consulting services for explosion-proof certification and coal safety certification.
What documents are required to apply for the Coal Safety/Mine Safety certification?
(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 compliance, etc.
Sample

What types of companies are eligible to apply for the Coal Safety/Mine Safety Mark? -- Shenzhen Zhongnuo Inspection and Testing Technology Co., Ltd.
Application Requirements for Coal Safety Certification
Company Qualifications: Anbang Center currently issues certificates only to companies engaged in production/manufacturing/processing or operating under the OEM model.
Fixed production facility; company has production and testing capabilities for products; a certain number of technical personnel; a management system ensuring quality and safety requirements.
Manufacturing and assembly companies, with fixed production facilities and equipment, as well as testing equipment.
(2) The product applied for must fall within the company's scope of operation.
(3) We have a comprehensive and effective quality assurance system.
(4) Possesses relevant technical strength;
(5) Other Relevant Conditions

Do I need a Coal Mine Safety Certificate if the product already has an explosion-proof certificate?
The explosion-proof certificate and coal safety certificate are applicable to different locations.
Explosion-proof certificates generally refer to facilities used in places where explosive gases and dusts are present, excluding underground coal mines.
Coal Mine Safety Certificate refers to the safety certification mark for equipment and products used underground in coal mines.
So, whether to apply for an explosion-proof certificate or a coal safety certificate depends on where the product is used.
If used only in non-mining explosive gas and dust environments, a防爆certificate is sufficient.
If used in underground coal mines, a coal safety certificate is mandatory; the two certificates are mutually incompatible.
Learn more details? Feel free to DM Shenzhen ZhongNuo Inspection & Technology Co., Ltd.!

What test items are required to apply for an explosion-proof certification?
Explosion-proof products require passing relevant test requirements of the explosion-proof standards to obtain an explosion-proof certification.
Different explosion-proof types, catering to equipment used in various explosive environments, require different explosion-proof testing items.
Many customers also want to know what testing projects are required for explosion-proof products? What specific requirements are there for the explosion-proof design of the product?
Next, let's take a look at some common explosion-proof testing items.
For example, with intrinsic safety products, the general test items include appearance and structure inspection, spark ignition test, dielectric strength, battery and battery pack testing, temperature rise test, transient energy test, etc.
Main test items for explosion-proof products include heat and cold resistance tests, internal ignition without propagation of explosion, shell pressure resistance, IP testing, temperature rise tests, etc.
Various test items, tailored to different modules or components of the product, each test ensures the product meets the explosion-proof standards and fulfills the explosion-proof performance requirements.
If a company is designing explosion-proof products and is not familiar with the explosion-proof standards requirements,
ZhongNuo Inspection offers guidance services for explosion-proof circuit and structural design, including explosion-proof standards, design essentials, drawing guidance, and can also act as an agent for explosion-proof testing and certification services.
Need this service? Feel free to DM Shenzhen ZhongNuo Inspection Technology Co., Ltd. anytime!
Coal Safety Certification and Mine Safety Certification Consulting Services - Shenzhen Zhongnuo Testing Technology Co., Ltd.