At Ningbo Robon Sealing Co., Ltd., we specialize in producing custom-made rubber seals designed to meet your specific requirements in size, material, and application. Our seals are made from premium elastomers such as NBR (Nitrile Rubber), FKM (Viton®), EPDM, and Silicone, ensuring exceptional performance under various temperature, pressure, and chemical conditions.

With advanced molding technology and strict quality control, our rubber seals deliver excellent resistance to oil, heat, wear, and weathering — making them ideal for automotive, hydraulic, pneumatic, and industrial sealing systems. Whether you need a prototype or mass production, our engineering team provides full customization support from design to delivery.

Key Features:

Custom sizes, shapes, and hardness levels (40–90 Shore A)

Compatible with oils, fuels, water, and chemical environments

Long-lasting elasticity and low compression set

Available in a range of materials: NBR, FKM, EPDM, Silicone, HNBR

OEM & ODM services available

Applications:

Automotive engines and fuel systems

Hydraulic and pneumatic cylinders

Industrial machinery and pumps

Electrical and home appliances

Choose Robon Sealing for reliable custom rubber sealing solutions that ensure leak-free and efficient performance in demanding environments.