European Standard Steel Pulley SPA Spb150-3-2517 Spc for Reaping Machine. 32 Years Manufacturing Experience: Specialized manufacturer with over three decades of expertise in gear and pulley production. ISO 9001 & SGS Certified: Manufacturing process and quality management certified by ISO 9001 and SGS standards. Wide Material Selection: Available in stainless steel, iron, aluminum, bronze, carbon steel, brass, and more. Flexible Customization: Supports customization from samples, designs, and full customization to meet specific needs. Advanced Production Capacity: Equipped with 150+ advanced machines and a 10,000+ square meter factory area. High Precision Testing: Utilizes Rockwell hardness testers and CNC gear measurement centers for quality assurance. 100% Finished Inspection: Every product undergoes strict functional and visual inspection before shipment. Multiple Surface Treatments: Offers carburizing, quenching, tempering, and electroplating for enhanced durability.