Sealing Products Supplier for Industrial Applications
O.S Seals has been supplying sealing products since 1998 from Hebei, China. The range started with standard O-rings and now covers oil seals, bonded seals, rubber diaphragms, gaskets and moulded rubber parts.
Products are manufactured at certified partner factories holding ISO 9001 and CE certificates covering rubber sealing products. Our team handles specification review, sampling and quality communication.
Typical applications include hydraulic and pneumatic equipment, pumps and valves, gearboxes and motors, automotive aftermarket and general industrial maintenance.
Popular Products
Four core product lines and supporting sealing components, each with a specification page.
Standard and Custom Supply
We supply standard part numbers and custom parts from your drawings or samples. Small quantity orders and OEM or ODM projects are accepted; the minimum order is confirmed per size and material in the quotation.
Why Choose Us?
What you can expect when you work with us.
Certified partner production
Products are manufactured at partner factories holding ISO 9001 and CE certificates covering rubber sealing products.
Specification review before quotation
We check dimensions, material and working conditions first, and tell you if a drawing needs clarification before pricing.
Sample approval before production
The sample you approve becomes the quality reference for serial production, so what you test is what you receive.
Batch inspection before shipment
Each batch is checked against the agreed specification, and material or inspection records can be discussed for your project.