'OuSai' is a Growing Manufacturer
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 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.
One Stop Shop
We handle all aspects of seals products. We accept small quantity orders and ODM OR OEM.
Why Choose Us?
Through our production, engineering, and prototype support we are expertly equipped to fulfill all of your sealing requirements.
Reliable
We are thrilled that as of now we are ISO 9001 and CE certified. This means that our products, services and processes meet the highest international standards of quality and information security management.
100% Satisfaction Guarantee
We thrive on establishing long-term partnerships with our customers, and the only way we can do so is to ensure they are 100% satisfied with our services. We provide service 24/7, 365 days/year. In-house design & manufacturing.
Professional
We have more than 20,000 sets of molds and with an amount of raw material database, with enough experience to deal with sealing problems in various media and various working conditions.
Respond Quickly
You can contact us via phone or submit an online request with our web system. Our sales representative will respond within an hour.
