What certifications does the product have?

The product holds ISO9001:2015 and SGS certifications.

Can I request a sample before placing a bulk order?

Yes, please inform us in advance if you require a sample.

What is the maximum operating pressure?

The maximum operating pressure is 60 MPa.

Piston Step Combination Seal/Seal PTFE +Polyester Guide Ring Gst

Name: Piston Step Combination Seal/Seal PTFE +Polyester Guide Ring Gst
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 771405055

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$1.00

10-499 Pieces

US$0.20

500+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

PTFE +Bronze/Graphite/Carbon

Application

Cylinder, Hydroseal

Model NO.

GST

Type

Shaft Seal

Performance

Temperature

Shape

O-Ring

Standard

Standard, Nonstandard

Color

Green,Coffee,Yellow

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, ISO9001.2008,

Trademark

DEF

Origin

Guangdong, China (Mainland)

HS Code

848410000

Production Capacity

100000PCS/Month

Key features

High Pressure Capability: Supports up to 60 MPa pressure in hydraulic systems.

Customizable Dimensions: Size can be tailored according to specific customer requirements.

Multiple Color Options: Available in Green, Coffee, Yellow, Grey Green, and Red.

Fast Delivery Time: 5 to 7 working days for standard orders, 2 days for in-stock items.

Low Friction Coefficient: Ensures easy assembly and smooth operation in sliding applications.

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

OEM and ODM Services: Full customization available from samples, designs, or minor adjustments.

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: ≤0.75h

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.