What is the lead time for production?

Peak season lead time is within 15 workdays, and off-season lead time is within 15 workdays or one month.

What materials are used for the sealing ring and backup?

The sealing ring is crafted from durable PU with an option for FKM Special. The backup material is constructed from high-grade POM, PTFE, or PA.

High-Performance Polyurethane U Cup Seal for Hydraulic Applications

Name: High-Performance Polyurethane U Cup Seal for Hydraulic Applications
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 647103275

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$0.50

10-499 Pieces

US$0.20

500+ Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Material

Application

Cylinder

Model NO.

RYF

Type

Rod Seal

Performance

High Pressure

Shape

Double Lip U Type

Standard

Certificate

ISO, SGS, TUV

Size

According to Your Need

Color

Red

Style

O Ring

Shape (for Gasket)

Ring Gasket

Function

Shaft Sealing

Sample

Available

Genre

PU/POM

Transport Package

Carton

Specification

GB/T10708.1 and ISO 5597/1

Trademark

DEF

Origin

Guangdong, China (Mainland)

HS Code

848410000

Production Capacity

500k/Month

Key features

Customizable Size: Size is available according to your specific needs and drawings.

Multiple Color Options: Available in coffee, green, grey-green, and red colors.

OEM and ODM Services: Full customization, minor customization, and design-based options available.

ISO and SGS Certified: Manufactured under ISO9001:2015 standards with SGS certification.

Low Friction Coefficient: Easy assembly with low friction for smooth operation.

Versatile Fluid Compatibility: Compatible with mineral oil, water, air, and barely flammable fluids.

Company profile

Management CertificationQuality AssuranceHigh Repeat Buyers ChoiceYears of Export Experience

Guangdong DEF Seals Solutions Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 21 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤0.43h

AI-Powered supplier vetting

SummaryDEF Seals Solutions is a sealing and mechanical-components supplier with stated production, sales, import/export, OEM, ODM, and broad customization capabilities. It holds ISO 9001:2015 certification and reports documented finished-product inspection, supplier-service procedures, and corrective/preventive-action processes. The supplier has five production lines, six to ten quality-control staff, twelve years of total R&D engineer experience, testing equipment, and more than 20 years of export experience. However, it reports no overseas warehouse, showroom, agent, or branch, and lists zero countries for overseas services. Financial credibility cannot be assessed because the provided financial fields are recorded as zero and contain no usable supporting context. Customer-specific cases are not identified.

Supplier typeThe supplier describes itself as a sealing maker serving construction machinery and large OEMs, while its stated scope covers mechanical components, seals, hydraulic components, machine tools, automation equipment, rubber and plastic parts, and related products. This supports classification as a manufacturer and supplier of industrial components with import/export capability.

CertificationsThe supplier explicitly reports an ISO 9001:2015 certificate and states that it received ISO 9001 certification to support quality products and services. This is direct evidence of a certified quality-management system.

After-Sales capabilityThe supplier reports no overseas warehouse, showroom, agent, or branch, and lists zero countries where overseas services are offered. It has participated in HANNOVER MESSE 2025 and provides stated quotation, payment, and lead-time terms, but the evidence does not establish a substantive after-sales service network.

R&D capabilityThe supplier reports new products during the past year, ODM service, twelve years of total R&D engineer experience, and testing equipment including temperature, salt-spray, and reciprocating testing machines. It also reports no available SDK, which limits evidence for software or SDK-based development, but does not negate the documented product-development capability.

Production capacityThe supplier reports five production lines, six to ten quality-control staff, documented and uniformly followed finished-product inspection instructions, written supplier-service procedures with records, and a stated annual output above the provided threshold. These data support established production and quality-control capacity.

Customization capabilityBoth records list customization from samples, full customization, customization from designs, minor customization, and flexible customization. The supplier also reports ODM availability, providing explicit evidence of broad customization and design-manufacturing support.

Product Q&A

Q:How can you receive a free sample?

We offer complimentary samples; however, the freight charge is to be covered by your side, ensuring you experience our quality firsthand.

Q:Can production be customized to my structural drawing?

Absolutely, we provide customization services based on your structural drawing to meet your specific requirements.

Q:Why choose Guangdong DEF Seals Solutions Co., Ltd?

1. Professionalism and Reliability: We pride ourselves on delivering top-notch service and products you can trust. 2. Comprehensive Production Line: Ensuring quick delivery and efficient service. 3. State-of-the-art Equipment: Coupled with superior quality and competitive pricing, our offerings are second to none. 4. Passion and Dedication: Our team is committed to excellence, with a heart that burns like fire. 5. Unwavering Support: We are always ready and eager to serve your needs.

Q:What is the minimum order quantity?

The minimum order quantity is 10 Pcs.

Q:What are the payment terms?

We accept LC, T/T, and Western Union.