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What items are tested for explosion-proof certification?

Conventional explosion-proof testing items for explosion-proof electrical equipment: Note: The general testing items listed in this table are applicable to explosion-proof, increased safety, intrinsic safety, and general mining electrical equipment. There may be differences according to the actual situation of the prod……

What is the validity period of the explosion-proof certificate?

Does the domestic explosion-proof certificate have a validity period? How many years is the validity period? End users of explosion-proof electrical products often face such problems. In fact, explosion-proof certificates have a validity period. Currently, the validity period of domestic explosion-proof certificates is……

What documents are required to apply for an explosion-proof certificate?

The required documents for applying for the explosion-proof qualification certificate are: 1. A copy of the enterprise qualification certificate and business license (at the time of initial inspection), a power of attorney from the unit, or an application letter. 2. Enterprise Quality Assurance Certificate (if any) Acc……