This implementation measure applies to the manufacture, sale, or use of explosion-proof electrical products in production and business operations within China. Any company that has not obtained a production license for explosion-proof electrical products may not manufacture explosion-proof electrical products, and any individual or unit may not sell or use explosion-proof electrical products that have not obtained a production license in production and business operations.

The "three certificates" for explosion-proof electrical appliances refer to: product qualification certificate, explosion-proof certificate, and safety marking for mining equipment.。

Product qualification certificate: It is merely a marking indicating that the company itself has completed inspection of the explosion-proof electrical appliance and confirmed that the product meets quality standards.。

Explosion-proof certificate: It indicates that the product is suitable for operation under certain hazardous environments and possesses certain explosion-proof characteristics.。

Safety marking for mining equipment: The safety marking is formulated, issued, and managed by the Mining Equipment Safety Marking Office. Mining products must obtain the safety marking plate before the safety marking can be applied to the product or packaging.。

The above is an introduction to the three certificates for explosion-proof electrical appliances. For more related information, please visit Hualong Explosion-proof at www.hlfbdq.com/.