What materials are available for the O-rings?

Available materials include Nitrile/NBR, Polyurethane, FKM/FPM, EPDM, and Silicone.

What is the maximum size available?

Sizes are available ranging from 400mm to limitless dimensions.

Durable NBR Ffkm O Ring Sealing Solution for Lithium Battery

Name: Durable NBR Ffkm O Ring Sealing Solution for Lithium Battery
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 764165005

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$0.05

100-199 Pieces

US$0.01

200+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

NBR

Application

Cylinder

Model NO.

O Ring

Type

Stationary Seal

Performance

Wear

Shape

O-Ring

Standard

Standard, Nonstandard

Size

Any Sizes

Certificate

ISO9001:2008, SGS

Business Type

Manufacturer

Sample

Free

Color

Coffee, Black

Transport Package

Plastic Film Inner& Outter Cartons

Specification

AS568, JIS B 2401 P/G serial and custom made

Trademark

DEF

Origin

Guangdong, China (Mainland)

HS Code

8484100000

Production Capacity

5, 000, 000/Month

Key features

Customizable Sizes: Available in any size ranging from 400mm to limitless dimensions.

No Tooling Charge: Customizable cross-section sizes with no tooling charge (conditions apply).

Rapid Delivery: Delivery as swift as 1 day for in-stock items.

Free Samples: Free samples available; buyer bears freight charge.

Wide Material Options: NBR, FKM, EPDM, Silicone, and Polyurethane with various durometers.

OEM/ODM Service: Full customization, minor customization, and flexible customization available.

High Production Capacity: Supply ability of 1,000,000 pieces per month.

ISO9001 Certified: Manufacturer holds ISO9001:2015 certification 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: ≤0.55h

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.