Do explosion-proof lamps require compulsory certification?
The national authority explosion-proof lamps to certification, some fitting for underground coal mine still needs verification, there is not enough
The explosion-proof lamps mainly to see in what place, if used in the maintenance of production, like oil station, chemical plant, oil field, coal mine, generally need to do explosion-proof certification, specificcancontact user can give to the Liao, explosion-proof professional reply!!
The national authority explosion-proof lamps to certification, some fitting for underground coal mine still needs verification, there is not enough
