Stainless Steel/Carbon Steel/Alloy Steel/Stainless Steel Special Alloy OEM Lost Wax Casting Investment Casting for Machinery. Extensive Material Options: Available in Stainless Steel, Carbon Steel, Alloy Steel, and Special Alloys. Wide Weight Capacity: Casting weight ranges from 10g to 150kg to meet diverse needs. High Precision Machining: Machining tolerance up to +/-0.02mm with surface roughness Ra1.6. Comprehensive Surface Treatment: Includes polishing, brushing, plating, powder coating, and heat treatment. Strict Quality Control: Features 4-step inspection including raw material, semi-finished, finished, and random checks. Professional Inspection Equipment: Equipped with coordinate measuring machines, X-ray testers, and hardness testers. Global Export Experience: Over 15 years of experience exporting to more than 30 countries. One-Stop Service: Full service from mold design, casting, machining to surface treatment.