... company. II.The Range of Our ProductsOur main products have Wrenches,Pliers,Hammers,Screwdriver,File,Blades,Spades,Bars,Chisels,Punches ... sparks explosion. Beryllium copper alloy explosion-proof tools also have special antimagnetic function, the normal use of the magnetic ... manufactured of steel alloys. Preferred "non-sparking" metals have less tensile strength than steels usually used to make tools ...