
Voneseals PTFE Back-up Ring for O-Ring Seals, Anti-Extrusion Solution for High Pressure Hydraulic Applications. Full Customization Support: Customization available from samples, designs, and drawings for piston and wiper seals. Diverse Material Options: Available in PU, PTFE, rubber (NBR/FKM), and composite materials for various applications. OEM and ODM Services: Professional OEM and ODM services provided for nonstandard and spring seal products. Free Sample Testing: Sample testing is available quickly to verify product quality before bulk orders. Small MOQ for Standard Sizes: Small Minimum Order Quantity is acceptable for standard size sealing solutions. ISO Certified Manufacturer: ISO/TS certified with 24 QA/QC inspectors ensuring 100% visual and function inspection. Global Export Experience: 8 years of export experience serving North America, Europe, Asia, Africa, and Oceania. On-Site Service Support: On-site services and regular customer visits provided when clients require assistance.