Features: 1.material : 42CrMo 2.standards:JIS,DIN,ASTM,BS 3.process: Ring Gear 4.Weight:35kg Features:1) Materials: carbon steel, stainless steel, alloy steel2) Standard: JIS, DIN, ASTM, BS3) Weight: 0.1 -10,000kg4) Processes: die-forging, various loose hammers5) Manufacturing equipment: three die-forging product lines (3 ton stamp forging hammer product line, 1000 ton friction product line, 1250 ...