Your Trusted Rubber Sealing Manufacturer
We provide more than 5,000 different types of sealing products to meet all your needs.
Contact to get your free samples!
About Us
OuSai Seals was founded and continues to be headquartered in Hebei, China, and supply you comprehensive sealing solutions.
Starting with standard O-Rings, our product line also includes oil seals, rubber to metal bonded seals, gaskets, molded products, and many other specific products for all kinds of sealing applications, e.g. Automotive, Medical, Military, Aerospace, Electronics, Power Generation, Hydraulics, and many other commercial industries.
Through our production, engineering, and prototype support we are expertly equipped to fulfill all of your sealing requirements.
Popular Products
We provide more than 5,000 different types of sealing products to meet all your needs.
O-Rings
Bonded Seals
Rotary Shaft Seals
O-Ring Cord
U Cups Seals
Quad Rings / X-Rings
V-Rings
Jaw Spider Coupling
We will help you every step of the way at your service
Seize all Business Opportunities and Trends
design draft -- quick proofing -- send samples
important things you should know
Questions and Answers
We are glad to send samples for your inspection. Standard samples can be free, but you may need to pay the express fees.
Of course. OEM/ODM are both acceptable.
One or more samples can be provided to you as a choice, produce as the final quality you confirmed. Or make it according to your samples’ quality.
A satisfactory solution will be provided within three days once we confirm it from your photos of the problems.
30-35 days after sample confirmation.
We promise the price we offer is competitive and fair if the same application, only to enlarge the market share.
- All raw material we used are imported; Cooperation with Dupont, JSR and large raw material recip database, make our material properties are relatively stable, products’ quality be control.
- Skilled workers care every details in handling producing and packing processes;
- Quality Control Department specially responsible for quality checking in each process.
Yes, we can produce by your samples or technical drawings. We can build the molds.
give you a reason
Why choose us
- more than 20,000 sets of molds and with an amount of raw material database
- Small quantity orders are accepted
- ODM OR OEM are available
- enough experience to deal with sealing problems in various media and various working conditions
- One Stop Shop
- Quick Response
- 24/7, 365 days/year Service
- Competitive price
Contact now
Link us now, you will be responded within one hour