Hoe,aluminum bronze materials manufacturing and into. Applies to oil, petrochemicals, natural gas, coal mine, oxygen, pharmacy, metallurgy, leather, gunpowder, gasoline stations, LPG stations, etc contain inflammable plasces flammable gas, is a kind of explosion-proof tools.
And in strict accordance with the national similar products the highest level of quality detection means testing, completed the explosion-proof hoe accord with China's national explosion-proof tools all requirements of quality standard GB10686-89, with national light industrial quality supervision and inspection center to issue the explosionproof qualification certificate. What you buy a piece of explosion-proof hoe are qualified products, please feel free to use.