O-Ring
Circular-section rubber products for a wide range of static and dynamic sealing arrangements.
View product →Rubber sealing solutions
Reliable Rubber Seals for Industrial Applications
X-rings, O-rings, bonded seals, and custom molded rubber parts with practical support from requirement review through repeat supply.
- Product scope
- Standard & custom seals
- Support
- Drawings, samples & RFQs
- Supply
- Samples & repeat production
Hydraulic & Pneumatic
Hydraulic & Pneumatic Products
Explore common sealing profiles and open each product page for application details and inquiry guidance.
X-Ring
A four-lip profile that provides multiple sealing lines and can reduce twisting in suitable dynamic applications.
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U-Ring
A U-shaped lip profile for rod and piston sealing positions in hydraulic or pneumatic reciprocating applications.
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Bonded Seal
A metal washer bonded to an elastomer sealing lip for threaded and fitting connections.
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FEP Encapsulated O-Ring
An elastomer core with an FEP jacket for applications balancing elasticity and media compatibility.
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DK Seal
A compact pneumatic piston seal for cylinder applications requiring sealing, guidance, and stable reciprocating motion.
View product →Products & Solutions
Browse by Application
Find the relevant product family first, then review individual products and inquiry requirements.
Hydraulic & Pneumatic
Standard and custom sealing products for hydraulic, pneumatic, pump, valve, fitting, reciprocating, and rotating applications.
Explore category →Kitchen & Bath
Diaphragms, umbrella valves, and rubber hoses for water and gas control, pressure response, one-way flow, and pump connections.
Explore category →Automotive
Sealing and cushioning rubber components for bearings, valve cores, lamps, switches, and vehicle electronic assemblies.
Explore category →Connector
Sealing gaskets, plugs, and protective components for wire harnesses, dental handpiece connections, and E-Bike interfaces.
Explore category →Food & Beverage
Tri-Clamp, DIN 11851, and SMS gaskets for hygienic process piping connections.
Explore category →Built for real RFQs
From Requirement Review to Repeat Supply
We help turn operating requirements, drawings, and samples into clearly defined rubber components.
- Material selection based on application conditions
- Drawing, sample, size, and tolerance confirmation
- Prototype and production quantity support
- Clear communication and practical packaging
01
Share Requirements
Send the product, drawing, working conditions, and quantity.
02
Technical Review
Confirm material, dimensions, tolerances, and commercial details.
03
Sampling & Supply
Review samples before moving to repeat production.
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Tell Us What You Need
For a faster review, include your application, material, size or drawing, expected quantity, and destination country.
Email: ouningseals@gmail.com
WhatsApp: +86-18027076863