What is the material of the dust ring?

The product is crafted from a sophisticated combination of PTFE and O-ring structures.

What standards does the product meet?

The dust rings are assembled in grooves in accordance with the ISO 7425/1 standard.

What is the warranty or quality control process?

We have 11 QA/QC inspectors and perform random function and visual inspections on finished products.

PTFE Guide Ring /Wear Ring Hydraulic Cylinder Excavator Seals (SPNO)

Name: PTFE Guide Ring /Wear Ring Hydraulic Cylinder Excavator Seals (SPNO)
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 647262475

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$0.50

10-499 Pieces

US$0.20

500+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Wear Strip

Material

Phenolic

Model NO.

SPNO

Combination Washer Structure

Wear Ring

Combination Washer Packaging

Wear Ring

Spring Washer Type

Heavy

Size

According Your Need

Name

Color

Red

Certificate

ISO, SGS

Business Type

Manufacturer

Sample

Aviliable

Price

Expensive

Place of Origin

Guangdong, China (Mainland)

Performance

High Performance

Transport Package

carton

Specification

Full series

Trademark

DEF

Origin

Made in China

HS Code

84840000

Production Capacity

500, 000PCS/Month

Key features

High Performance Material: Combination of PTFE and O-ring structures for superior wear resistance.

Extended Service Life: Innovative design significantly heightens durability and extends product life.

ISO Standard Compliance: Engineered to assemble in grooves according to ISO 7425/1 standard.

Dust and Debris Removal: Essential seal expertly removes contaminants to safeguard cylinder body.

Full Customization Options: Offers full customization, minor customization, and flexible customization.

OEM and ODM Services: Manufacturer provides both OEM and ODM services for client needs.

Rapid Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.

ISO 9001:2015 Certified: Manufacturer holds ISO9001:2015 management system certification.

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: ≤1.08h

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.