With the explosion-proof 3C certification in place, how can one obtain a coal safety certification or a mine safety certification?

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With the explosion-proof 3C certification in place, is it still necessary to obtain coal safety or mine safety certification? In China, the explosion-proof 3C certification/explosion-proof certificate and the coal safety/mine safety regulations fall under different management systems, and the locations where the products are used also differ. These two types of certificates belong to separate certification systems and are relatively independent of each other. Regardless of which certificate is held, any additional certificates need to be reapplied for in accordance with the application process for new products. https://pic1.zhimg.com/80/v2-f280c276a5b639c1c2b717d0b33c8940_720w.jpg Similarly, even if there is a coal safety/mining safety certification, obtaining an explosion-proof certificate or an explosion-proof 3C certification also requires following the new application process again.