... 1.High grade 45-70, and 65Mn, etc; 2.High quality screen mesh for mine 3.SGS inspection, CE ... Material & Standard: High manganese steel, Mn14Cr2, Mn18Cr2, Mn24Cr3, Cr20, Cr24up, Carbon steel, Cr-Mo alloy steel; Standards as following: JIS, ... equipments. 9, Surface treatment: Shot blast cleaning. 10, Industry categories: Mining machinery, construction machinery, mineral processing, structural shredder ...