Shenzhen Zhongnuo Testing Technology Co., Ltd. specializes in consulting services for explosion-proof certification and coal safety certification.
Do the Coal Safety/Mineral Safety marks require annual inspections? -- Shenzhen ZhongNuo Inspection Technology Co., Ltd.
The Mark Management Authority conducts annual supervision and management for enterprises that have obtained the Coal Safety/Mineral Safety Mark.
Generally, a notice is sent to the company in advance of the annual supervision and review, with relatively strict requirements.

What documents are required to apply for the Coal Safety/Mining Safety certification? -- Shenzhen Zhongnuo 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.
Samples

In explosive environments, explosion-proof electrical equipment must be used, accompanied by an effective explosion-proof certification; electrical equipment intended for use in coal mines must obtain a coal safety certification prior to being sent underground, as required by relevant Chinese regulations. Outside of the coal industry,防爆电气 equipment is also mandatory in industries such as petrochemicals, metallurgy, and others to ensure production safety and prevent explosion accidents.
The current safety situation in China's production and operation remains severe, with explosion incidents occurring frequently. The construction of safety production work in all industrial sectors is urgent. For coal mining enterprises, selecting reliable explosion-proof equipment is one of the effective means to effectively prevent explosion accidents.

What kind of companies can apply for the Coal Safety/Mineral Safety Mark? -- Shenzhen Zhongnuo Testing Technology Co., Ltd.
Application Requirements for Coal Safety Certification
Corporate Qualifications: Anbang Standard Center currently issues certifications 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.
Manufacturers 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 operation.
(3) We have a comprehensive and effective quality assurance system.
(4) Possesses relevant technical strength;
(5) Other relevant conditions
Coal Safety Certification and Mine Safety Certification Consultancy Services - Shenzhen Zhongnuo Testing Technology Co., Ltd.