Shenzhen ZhongNuo Testing Technology Co., Ltd. specializes in consulting services for explosion-proof certification and coal safety certification.
Preparation of Coal Safety and Mine Safety Certification Samples -- Shenzhen ZhongNuo Inspection Technology Co., Ltd.
The prototype manufacturing is completed according to the design drawings. The project team formulates the inspection outline based on the company's and industry standards, and the Quality Assurance Department completes the factory inspection according to the inspection outline. Note: In addition to preparing the prototype for electrical products, electrical components for intrinsic safety tests such as intrinsic safety power supplies and sensors must also be prepared; as well as electrical components for electrical performance tests such as contactors, circuit breakers, and disconnectors.

What kind of enterprises can apply for the Coal Safety/Mineral Safety Mark? -- Shenzhen ZhongNuo 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 products; 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 sites and equipment, including testing equipment.
(2) The product applied for should fall within the scope of the company's business operations.
(3) Possesses a comprehensive and effective quality assurance system;
(4) Possesses relevant technical strength;
(5) Other Relevant Conditions

Coal Mine Safety Sign Certification is a mandatory certification implemented by the Coal Mine Safety Sign Office for items used underground in mines. Any product listed in the Coal Mine Product Safety Certification Catalog must obtain a certification certificate.
Products with Coal Safety/Mineral Safety certification can affix the MA/KA mark. Individuals and entities are prohibited from selling, purchasing, or using mineral products included in the safety mark management catalog that have not obtained a safety mark.
The manufacturer of the product must go through several steps to obtain a safety symbol, including filling out an application form, preliminary review and qualification registration, evaluation, and issuance of the certificate.

Principles of Application for Coal Mine Safety and Mine Safety Certification -- Shenzhen ZhongNuo Testing Technology Co., Ltd.
1. Concurrent declaration of similar products
2. Multiple products share the same AN-type component
3. Electrical equipment pre-notification with complete machine declaration
4. Form products before declaration
Coal Safety Certification and Mine Safety Certification Consultancy Services - Shenzhen Zhongnuo Testing Technology Co., Ltd.