What certifications do you hold?

Our management system is certified under ISO 9001:2015.

What payment terms do you accept?

We accept LC, T/T, and Western Union as payment terms.

Are the seals suitable for harsh environments?

Yes, they are designed to exclude harsh environmental contaminants like dust, dirt, and moisture.

Premium PTFE Hydraulic Seals for Standard and Nonstandard Applications

Name: Premium PTFE Hydraulic Seals for Standard and Nonstandard Applications
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 767361105

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$0.50

10-4,999 Pieces

US$0.20

5,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

PTFE

Application

Cylinder, Hydroseal

Model NO.

GSJ, GSF, AQF, RDDR, GSZ

Type

Shaft Seal

Performance

Temperature

Shape

O-Ring

Standard

Standard, Nonstandard

Color

Green,Coffee

Size

According to Your Needs

Certificate

ISO9001, SGS

Band

Def

Business Typle

Manufacturer

Style

Floating Seal

Shape (for Gasket)

Ring Gasket

Function

Hole Sealing

Transport Package

Plastic Film Inner& Outter Carton

Specification

SGS, ISO9001

Trademark

DEF

Origin

Guangdong, China (Mainland)

HS Code

848410000

Production Capacity

100000PCS/Month

Key features

Superior Containment Technology: Engineered to deliver superior containment and exclusion in demanding applications.

Robust Contamination Barrier: Retains lubricants and excludes dust, dirt, moisture, and abrasive particles.

ISO 7425/I Compliance: Design conforms to ISO 7425/I, GB/T15242.1, and GB/T15242.3 standards.

Comprehensive Customization: Offers full customization, minor customization, and flexible options from samples.

ISO 9001:2015 Certified: Manufacturing process certified under ISO 9001:2015 management system.

OEM and ODM Services: Full OEM and ODM services available for custom seal designs.

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

Rigorous Quality Inspection: 11 QA/QC inspectors perform random function and visual inspections.

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: ≤0.50h

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.