Comprehensive Multi-Size O Ring Set for Equipment Sealing Solutions
Product Specifications
- color
- Material
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Product Highlights
- ully automated production with 100% inspection ensures precision, superior sealing, and the lowest cost for equivalent quality.
- Automated production eliminates errors, ensuring a 100% pass rate and significantly reducing procurement costs.
- Over 6,000 NBR & FKM specs in stock ensure rapid matching and shipping, with no long waits.
- Ideal for automotive and industrial systems, providing reliable leak protection with high quality at a low budget.
- Fully automated 100% inspection eliminates defects, offering highly competitive prices and superior cost-efficiency at equivalent quality.
Product Attributes
- Customization
- Available
- Material
- NBR/FKM
- Application
- Cylinder
- Model NO.
- 5A, 5B, 5C, 8B, 8C
- Type
- O Ring Kits
- Performance
- Temperature
- Shape
- O-Ring
- Standard
- Standard
- Temperature Range
- -40-250°C
- Key Features
- High Sealing Performance
- Key Features1
- Wide Material Options
- Key Features2
- Excellent Elasticity
- Transport Package
- Carton
- Specification
- 5A, 5B, 5C, 8B, 8C
- Trademark
- DEDE
- Origin
- China
- Production Capacity
- 500000000 Pieces/Year
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Product Description







FAQ |
A: We supply a full range of sealing products including radial shaft seals, hydraulic seals, pneumatic seals, rubbermetal bonded parts, PTFE seals, and customized rubber components.
All products are manufactured according to industrial machinery requirements.
Q2. Can you produce customized seals?
A: Yes. We support OEM/ODM, nonstandard sizes, special materials (NBR, HNBR, FKM, ACM, EPDM, PTFE), and custom structures based on drawings or samples.
Q3. What materials are available?
A: We offer NBR, HNBR, FKM, ACM, EPDM, PTFE, and other engineered materials depending on temperature, speed, and working media.
Q4. Do you have minimum order quantity (MOQ)?
A: For standard sizes, MOQ is flexible.
For customized products, MOQ depends on mold requirements and material type.
Q5. How do you ensure product quality?
A: We follow strict quality control including material testing, hardness inspection, dimensional measurement, lip geometry inspection, and dynamic sealing tests before shipment.
Q6. What is your production lead time?
A: Standard products: 3–7 days
Customized products: 10–25 days, depending on mold and material
We will confirm the exact schedule before order.
Q7. How do you ship the goods?
A: We support:
Express (DHL, FedEx, UPS)
Air freight
Sea freight
We will recommend the most suitable method based on order weight, volume, and destination.
Q8. Can you provide samples?
A: Yes. We can provide samples for testing.
Q9. How do you pack the products?
A: Products are packed in individual protective bags, then placed in cartons with labels, and finally reinforced with exportstandard packaging to ensure safe delivery.
Q10. Do you offer aftersales service?
A: Yes. If any quality issue is confirmed, we provide replacement, technical support, or other reasonable solutions.
We aim for longterm cooperation and stable product performance.
Q11. Do you support longterm supply for distributors?
A: Yes. We have stable cooperation with global distributors and can provide continuous supply, stable quality, and longterm pricing support.
Q12. Where is your factory located?
A: Our production base is located in China, with complete facilities for material mixing, mold development, vulcanization, CNC metal processing, trimming, and inspection.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI266450". Items marked "" are certified.
Company Profile
Was founded in 1990. With over 35 years of experience, which has become a prominent name in the global sealing industry. The company is driven by a passion for innovation, an unwavering commitment to quality, and a relentless pursuit of excellence. These core values have enabled DEDE to stay at the forefront of the industry, providing high-quality sealing solutions while continually expanding its market reach.
Focus on Research and Manufacturing, Leading the Industry
Since its inception, DEDE has adhered to the philosophy of "self-research and manufacturing, " placing great emphasis on product innovation and R&D capabilities. DEDE has continually increased its investment in research and development, designing and producing a wide range of sealing products, including industrial oil seals, construction machinery oil seals, mining industry oil seals, hydraulic oil seals, wind turbine seals, agriculture oil seals, washing machine oil seals, and rubber sealing rings, providing high-performance sealing solutions to meet the needs of customers across the globe. Our company boasts a highly experienced technical team and over 200 advanced production and testing machines, ensuring that our designs and manufacturing processes meet global standards. Every step of our production strictly follows ISO 9001 and TS16949 international management system certification standards, ensuring that each product leaving our factory is of top quality.
Customer-Centric Approach with Flexible and Fast Service
DEDE has adopted the globally renowned SAP ERP management system, on top of our advanced technological innovations and strict quality control. This system has enabled us to achieve paperless, networked, and transparent management, allowing us to provide customers with more efficient service. Whether it's product quotes, production progress, or order fulfillment, DEDE can respond quickly and ensure customer demands are met promptly.
Stable High-Quality Output and Industry Leadership
Throughout our 30-year history, DEDE has maintained a steadfast commitment to delivering consistent product quality. As a modern enterprise in the sealing products industry, we not only possess robust manufacturing capabilities but also adhere to a rigorous quality control system. Each production process is meticulously monitored and inspected to ensure that from design to manufacturing and final delivery, every product meets the highest standards of excellence.
This dedication to quality has earned DEDE widespread recognition in the global market, particularly in industries where sealing solutions must meet stringent performance requirements, such as wind turbines, automotive manufacturing, construction machinery, and hydraulic systems.
DEDE's quality extends beyond the products themselves and is embedded throughout the entire production and management process. Whether in the selection of raw materials, the optimization of manufacturing processes, or the final product inspection, we strive for perfection. Through these efforts, DEDE ensures that each product can operate reliably in even the harshest working environments, truly delivering "high-quality assurance. "
Global Expansion and Market Leadership
While DEDE continues to build a strong presence in the domestic market, we are also actively expanding our global footprint. After years of effort, our sealing products are now sold in numerous countries and regions worldwide, covering industries such as automotive manufacturing, construction machinery, mining machinery, wind power, and agricultural machinery. No matter where our customers are located, DEDE provides them with premium products and services, ensuring they receive high-performance seals along with convenient and timely deliveries.
Our global strategy is not just about exporting products; We have also established long-term partnerships with renowned global brands, becoming a key supplier in the sealing industry.
About Our Factory & Business Background
- Address
- Hetou Industrial Zone, Renze District, Xingtai, Hebei, China
- Terms of Payment
- T/T, LC
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
- Main Products
- Oil Seal, O-Ring, Pneumatic Seal, Shaft Seal, Rubber Seal, NBR Oil Seal, Rotary Shaft Seal, Seal Ring, Seal, Ring Seal
Our Industry Experience & Global Business Record
- Export Year
- 2008-01-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001, Others
FAQ
- What products do you supply?
- We supply a full range of sealing products including o-rings, radial shaft seals, hydraulic seals, pneumatic seals, rubbermetal bonded parts, PTFE seals, and customized rubber components. All products are manufactured according to industrial machinery requirements.
- What materials are available?
- We offer NBR, HNBR, FKM, ACM, EPDM, PTFE, and other engineered materials depending on temperature, speed, and working media.
- Do you have minimum order quantity (MOQ)?
- For standard sizes, no MOQ. For customized products, MOQ depends on mold requirements and material type.
- How do you ensure product quality?
- We follow strict quality control including material testing, hardness inspection, dimensional measurement, lip geometry inspection, and dynamic sealing tests before shipment.
- How do you ship the goods?
- We support Express (DHL, FedEx, UPS), Air freight, and Sea freight. We will recommend the most suitable method based on order weight, volume, and destination.
- Can you provide samples?
- Yes. We can provide samples for testing. Shipping cost is usually paid by the buyer.
- How do you pack the products?
- Products are packed in individual protective bags, then placed in cartons with labels, and finally reinforced with exportstandard packaging to ensure safe delivery.
- Do you offer aftersales service?
- Yes. If any quality issue is confirmed, we provide replacement, technical support, or other reasonable solutions. We aim for longterm cooperation and stable product performance.
- Do you support longterm supply for distributors?
- Yes. We have stable cooperation with global distributors and can provide continuous supply, stable quality, and longterm pricing support.
- Where is your factory located?
- Our production base is located in China, with complete facilities for material mixing, mold development, vulcanization, CNC metal processing, trimming, and inspection.
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