Cast Iron European Standard Pulley Spz SPA Spb Spc for Automation Equipment. ISO & SGS Certified: Certified with ISO9001 and SGS for quality assurance. Extensive Customization: Flexible customization available for number of grooves, pulley type, and heat treatment. Diverse Material Options: Available in stainless steel, iron, aluminum, bronze, carbon steel, and brass. Advanced Manufacturing: 150+ advanced equipment and 36 technical staff ensure precision. Experienced Workforce: 90% of employees have over 10 years of factory experience. Comprehensive Heat Treatment: Options include quenching, tempering, carburizing, and high-frequency hardening. Wide Application Range: Suitable for automotive, electrical, household appliances, and mining industries. Flexible MOQ: Minimum Order Quantity starts from 1 piece.