
Blower Fan Impeller for 5 Kw Small Electric Air Pump Investment Casting Impeller. ISO and IATF Certifications: Certified with ISO 9001:2000 and IATF 16949 for quality assurance. OEM and ODM Services: Full customization support based on 2D and 3D drawings with R&D team. High Precision Tolerance: Machining tolerance controlled within +/-0.01mm using advanced equipment. Extensive Material Options: Available in Carbon Steel, Alloy Steel, Stainless Steel, and more. Diverse Surface Treatments: Options include Shot Blasting, Heat Treatment, Zinc Coating, and Polishing. Flexible Order Quantity: Flexible PO quantity to accommodate various customer demand levels. Experienced Manufacturer: Over 10 years of experience in casting and machining with 20+ patents. Comprehensive Inspection: 100% thread inspection, X-ray, CMM, and ultrasonic defect detection.