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The cost of explosion-proof certification is related to the following aspects

1. Do you need an explosion-proof certificate or an explosion-proof 3C certification? If the explosion-proof 3C certification is required, a factory audit is required, which includes an audit fee and auditZhongnuo TestingTravel expenses for auditors, application fees for 3C certificates, and certificate fees, etc

2. Related to explosion-proof signs. Different explosion-proof signs and explosion-proof testing items result in different costs

3. Domestic explosion-proof certification or international explosion-proof certification? sameExplosion proof mark， ATEX/IECEx certification is much more expensive than domestic explosion-proof certificates, and it also requires factory audits. The North American explosion-proof certification is even more expensive, costing 100000 yuan

4. Do we need to retest? Some customers have never made their products beforeExplosion proof designIf you bring it over, you still need to go through rectification and retesting, which will increase the cost. If the product still comes with a battery, battery testing is also an expense, especially if the battery always fails to be tested.

5. Do you need to expedite. There are many orders in the laboratory, and often there is a need to queue up. If there is an urgent need, there will be an urgent fee.