With more than 30 years of industry experience, Ascend Sealing Technology has always been dedicated to establishing a close connection with our clients. Now, we have made the buying journey shorter, easier, and friendlier.

Markets we Serve

Extensive Inventory
Extensive Inventory
Ascend Sealing stocks a wide range selection of O-rings, X-rings, Back-up rings, and O-ring Kits.
Same Day Shipping
Same Day Shipping
Same day shipping for orders placed by 5 pm EST. For urgent order, please call to verify.
Wide Variety of Materials
Wide Variety of Materials
We manufacture sealing components for different applications ranging from general purpose to extreme conditions.
Engineering Support
Engineering Support
Our full-service engineering team specializes in material R&D, product design, and application engineering.
Ascend Sealing Technology Inc. is a Silicon Valley-based firm with an expertise in rubber sealing solutions.

Consisting of experienced technical staff, Ascend offers comprehensive engineering analysis, material recommendation, and total sealing solutions to address the demand from multiple industries. We provide first-class and innovative sealing solutions at a desirable price and efficiency.

With our long presence in the rubber components industry, Ascend Sealing guarantees that our customers receive the best and most suitable products. We have received government and public recognitions as a professional, industrial grade rubber sealing provider to industries such as semiconductor, automotive, drinking water, medical, sanitary, aerospace, food & drug equipment, etc.
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