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Are these O-Rings suitable for hydraulic oil?

Yes, they are specifically designed for sealing hydraulic oil, anti-fire fluid, water, and gas.

Manufacturer NBR70 NBR90 Nitrile Rubber Buna-N O-Ring

Name: Manufacturer NBR70 NBR90 Nitrile Rubber Buna-N O-Ring
Brand: DMS SEALS TECHNOLOGY CO., LIMITED
SKU: 1979720755

Guangdong, ChinaDMS SEALS TECHNOLOGY CO., LIMITED

US$0.10-1.00

10 Sets

Sample price:US$0.00/set.Request sample

Product profile

Customization

Available

Material

FKM

Application

Excavator

Model NO.

O RINGS

Type

Oil Seal

Performance

Wear

Shape

O-Ring

Standard

Name

O Ring Seal

Material Kind

NBR

Color

Black

Temperature

-45~+200

Standard Type

American Standard

Certification

ISO, IATF

Usage

Sealing Oil

Medium

Hydraulic Oil

Process

CNC

Country of Origin

China

Dimensions

Metric, Inch

Quantity

MOQ 10PCS

Applications

Excavator

Other Material

Carbon PTFE

Stock

Available

Transport Package

Carton

Specification

40*40*20cm

Trademark

DMS

Origin

Guangdong

HS Code

4016931000

Production Capacity

100000PCS/Day

Key features

13 Years Manufacturing Expertise: Professional manufacturer with 13 years of experience in hydraulic seals and O-Rings.

ISO & IATF Certified Quality: Passed ISO 9001:2015 and IATF16949:2016 certifications for quality assurance.

Wide Material Selection: Available in PTFE, PU, NBR, FKM, Silicone, EPDM, and other specialized materials.

Full Customization Support: Supports customization from samples, designs, and flexible minor adjustments.

Versatile Application Range: Suitable for excavators, loaders, mining trucks, and various agricultural machinery.

Extreme Performance Ratings: Resists high/low temperatures, high/low pressure, and friction effectively.

100% Finished Product Inspection: Strict QA/QC with 20 inspectors ensuring visual and functional compliance.

Low MOQ for Testing: Minimum Order Quantity is only 10 PCS, ideal for testing and small batches.

Company profile

Importers and ExportersExperienced TeamQuality AssuranceManagement Certification

DMS SEALS TECHNOLOGY CO., LIMITED

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 years CertifiedNearest Port: Foshan Port, Guangzhou Port, Shenzhen PortAverage Response Time: ≤1.74h

AI-Powered supplier vetting

SummaryThe supplier presents an established manufacturing and service structure for sealing-system products. It reports ISO 9001:2015 certification, more than 10 production lines, annual PTFE seal output of 50,000,000 sets, 11–20 quality-control staff, and documented procedures for inspection, complaints, corrective actions, and supplier-service assessment. It offers extensive customization and ODM services, but no new product information was reported for the previous year. Export experience is stated at 12 years, although overseas service coverage is limited: there are no overseas agents, branches, warehouses, or showrooms, and no offline trade-show participation. The supplier has no in-stock service capacity and no valid manufacturing-capacity contract with associated subcontractors. Financial credibility and customer cases cannot be assessed from the provided information.

Supplier typeThe supplier is identified as a combined company rather than an offshore entity, with more than 10 production lines and reported PTFE seal production. Its primary markets include domestic, Southeast Asian/Middle Eastern, and other markets, indicating a manufacturing-oriented supplier with export activity.

CertificationsThe supplier reports holding an ISO 9001:2015 certificate and other certifications. This provides explicit evidence of certified quality-management-system coverage, although the other certifications are not specified.

After-Sales capabilityThe supplier states that it provides debugging, maintenance, repair, training, and equipment installation, supported by documented complaint-handling and corrective-action procedures. However, it has no overseas agents or branches, no overseas warehouse or showroom, and no stated overseas service-country coverage, which limits the demonstrated international service infrastructure.

Production capacityProduction capability is supported by more than 10 production lines, reported annual PTFE seal output of 50,000,000 sets, 11–20 quality-control staff, and one-month lead times in both peak and off-peak seasons. Nevertheless, the supplier reports no in-stock capacity and no valid manufacturing-capacity contract with associated subcontractors, creating limitations in inventory availability and documented subcontracting arrangements.

Customization capabilityThe supplier explicitly offers customization from designs and samples, full and flexible customization, minor customization, and ODM services. These multiple stated service modes demonstrate broad customization capability.