
Oil Resistance NBR Nitrile Buna-N O Ring Rubber Sealing for Oilfield. Wide Material Selection: Offers NBR, Silicone, HNBR, FKM, PTFE, and EPDM to suit various chemical and temperature requirements. Customizable Colors: Standard colors include black, white, green, blue, and red, with custom color options available. OEM/ODM Services: Full customization support including production from samples, 3D drawings, and custom molds. Free Sample Availability: Provides 3 to 10 free samples; customers only need to cover shipping costs. Fast Delivery Capability: Located near Shanghai with two airports and ports, ensuring quick shipping within 7-15 days. Strict Quality Control: Includes pre-production samples, final inspection before shipment, and 100% finished product inspection. ISO 9001 Certified: Adopts comprehensive quality management system ensuring high-quality production standards. Global Export Experience: Exports to over 100 countries including the US, Canada, UK, Germany, and Australia.