Our High-Performance Nitrile (NBR) O-Rings deliver exceptional reliability and durability across diverse industrial applications. Engineered to meet standard specifications, these O-rings provide superior resistance to oils, fuels, and solvents, offering a versatile and cost-effective sealing solution.

• Superior Material Properties: NBR material delivers outstanding resistance to abrasion, compression set, and non-polar fluids
• Optimal Hardness: 84 Shore A hardness ensures excellent sealing under pressure while maintaining flexibility
• Wide Temperature Resilience: Reliable performance from -30°C to 260°C
• Quality Assurance: Each O-ring undergoes inspection for dimensional accuracy and material integrity
• Standard Sizing: Guarantees easy integration and interchangeability in existing systems

• Automotive: Fuel systems, oil systems, engine components
• Hydraulics & Pneumatics: Pumps, cylinders, valves, actuators
• Industrial Machinery: Fluid power equipment, compressors, manufacturing systems
• General Manufacturing: Sealing applications involving oils, greases, water, and solvents

Mido Oil Seal, founded in 2007, specializes in construction machinery oil seals with over 1,000 varieties in stock. The company maintains three stores and a warehouse, including a dedicated Foreign Trade Department for customer service and product display.

With CEO Mr. Hu's industry experience since 1995 and leadership in the Guangzhou Construction Machinery Industry Association, the company focuses on technology innovation and quality assurance to meet exact customer requirements.

We operate our own manufacturing facility while distributing oil seals from renowned international brands, providing comprehensive one-stop solutions for excavator, loader, and motor grader seal kits and spare parts.

Our portfolio includes excavator, loader, and motor grader seal kits and spare parts.

We conduct regular follow-up visits and maintain dedicated online staff available 24 hours daily to ensure comprehensive customer support.