... 1.High grade 45-70, and 65Mn, etc; 2.High quality screen mesh for mine 3.SGS inspection, CE ... HB 220~240 3, Production capability: More than45000tons/year 4, Material & Standard: High manganese steel, Mn14Cr2, Mn18Cr2, Mn24Cr3, Cr20, ... machinery, construction machinery, mineral processing, structural shredder parts, and others. Representative Mining Machinery Parts(Wear Parts): Mining Screen ...