What fluids is this seal suitable for?

It is suitable for mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, and air.

Do you provide OEM and ODM services?

Yes, we provide both OEM and ODM services with a team of 12 R&D engineers.

High-Quality Polyester Resin and Cotton Strip for Standard Cylinders

Name: High-Quality Polyester Resin and Cotton Strip for Standard Cylinders
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 792371865

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$2.00

20-499 Meters

US$1.50

500+ Meters

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Phenolic with Fabric

Type

Hollow Sealing Strip

Model NO.

GST

Sectional Shape

O-Shape

Performance

Temperature

Vulcanization

Non-continuous Vulcanization

Standard

Style

Sealing Strip

Shape (for Gasket)

Grooved Gasket

Function

Hole Sealing

Application

Hydroseal

Transport Package

Carton

Specification

ISO, SGS

Trademark

DEF

Origin

China

HS Code

848410000

Production Capacity

1, 000, 000m/Month

Key features

High-Grade Phenolic Composite: Combines phenolic resin with glass, carbon, or aramid fabric for superior strength and thermal stability.

Flame Resistance: Engineered for non-negotiable flame resistance in severe operating conditions.

Versatile Fluid Compatibility: Suitable for mineral oil based hydraulic fluids, barely flammable fluids, water, and air.

Customization Options: Offers full customization, minor customization, and flexible customization from samples or designs.

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

OEM and ODM Services: Manufacturer provides both OEM and ODM services with 12 R&D engineers.

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

Quality Assurance: 11 QA/QC inspectors perform random function and visual inspections with full traceability.

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: ≤0.42h

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.