What are the payment terms?

Payment terms include LC, T/T, and Western Union.

What is the lead time for production?

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

What certifications are provided?

We provide TUV and SGS certificates.

PTFE Rod Seals/Step Seals for Cylinder

Name: PTFE Rod Seals/Step Seals for Cylinder
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 791376985

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+Bronze/NBR

Application

Cylinder

Model NO.

GSW

Type

Rotary Seal

Performance

High Pressure

Shape

O-Ring

Standard

Standard, Nonstandard

Size

90*105.5*6.3

Color

Green, Brown, Black, White, Blue, Grew, Yellow

Certificate

TUV, SGS

Style

Floating Seal

Shape (for Gasket)

Ring Gasket

Function

Shaft Sealing

Usage

Pump, Pipe, Cylinder, Automobile, Machinery

Material & Component

PTFE+Bronze

Export Market

Global

Transport Package

Plastic Inner and Outer Carton

Specification

ISO, SGS, TUV

Trademark

DEF

Origin

Made in China

HS Code

848410000

Production Capacity

500.000PCS/Month

Key features

High Pressure Resistance: Usable up to 60MPA depending on operating conditions and sealing gap.

Premium Material Composition: Constructed from special PTFE+bronze compound profile ring with NBR O-ring energizer.

Zero Leakage Performance: Designed to deliver unmatched reliability with zero leakage in demanding applications.

Extended Equipment Lifespan: Significantly reduces maintenance costs and extends equipment service life.

Standard Compliance: Conforms to ISO 7425/I, GB/T15242.1, and GB/T15242.3 design standards.

Customization Options: Supports full customization, minor customization, and customization from samples/designs.

Multi-Color Availability: Available in Green, Brown, Black, White, Blue, Grey, and Yellow colors.

Global Certification: Certified by TUV and SGS for quality assurance.

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.