1) OEM service; 2) Competitive price, 3) Prompt delivery & top quality 4) Professional service. Features of our O-ring· Working temperature: -100 to +300 degrees;· Hardness: 25~95 Shore A;· Working field: Water, Bath shower toilet parts, lube, oil, industrial, mechanical, household appliance, etc...· High tensile Strength, Wear and tear resistance, Durable;· UL & SGS certification;· Rubber ...