Coal Pick Model: U82.U84.U85.U92.U94.U95.U62.U47.U138.U765.U170.S100.S120.S135.S150S160.S170.S200.5030.C31, etc.. Support manufacture according requirement. （Model mainly based on coal hardness, pick base） Coal Pick manufacture level: • Pick tip hardness: HRC>65； • Pick body hardness: HRC 28-32； • Pick surface hardness: HV＞2000；Pick with special heat treatment process, 40-45 degrees, surface no oxidation.