
High-Quality Diamond and CBN Abrasive Long Stone for Sunnen P20. Diamond + CBN Material: Combines Diamond and CBN materials for superior sharpening performance. Long Life High Performance: Designed for extended usage and high efficiency in cylinder honing. Full Customization Available: Supports customization from samples, designs, and full custom requirements. ISO 9001 Certified: Manufactured under ISO 9001 certification standards for quality assurance. 100% Finished Product Inspection: Every unit undergoes visual and functional inspection before shipment. OEM and ODM Services: Professional OEM and ODM services provided by experienced R&D team. Fast Lead Time: Off-season lead time within 15 workdays for quick delivery. Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.