Product name: Gearbox body Material: Grey iron 250, GG25, EN-GJL-250 (EN-JL1040), FC250 Production process: Sand casting, annealing, precision machining, shell molding casting, resin sand casting, sand blasting Unit Weight: 0.1kg-1000kg, 0.2lbs-2000lbs Size: According to drawing Customizable or not: Yes Packing: Carton, plywood cases, pallets Certificate: ISO9001:2008 Inspection report: Dimension report. Material report including chemical contents, tensile strength, yield strength and hardness. X-ray test report, Ultrasonic test report and Magnetic particle test available upon request. Origin: China