What are the customization options?

We provide standard or customized sizes, various colors (Red, Green, Brown, etc.), and hardness levels from 20-90 Shore a. OEM and ODM services are available.

What is the production lead time?

Production lead time is 1-3 days after receiving the PO and 30% advance payment. Peak and off-season lead times are within 15 workdays.

What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 PC.

Factory Custom Manufacturer Good Quality NBR Black O Ring

Name: Factory Custom Manufacturer Good Quality NBR Black O Ring
Brand: Dongguan Huaqi Sealing Co., Ltd.
SKU: 2294505865

Guangdong, ChinaDongguan Huaqi Sealing Co., Ltd.

US$0.05-0.70

100 pieces

Product profile

Customization

Available

Material

NBR Rubber

Usage

Engine

Model NO.

HQK-W260518

Lip

O Ring

Standard

Custom

Size

Standard or Customized

Color

Red Green Brown... etc.

Feature

Oil-Resistant, Heat Resistant,Dustproof and Water

Temperature

0.6-30°C~260°C

Product Name

Rubber O-Ring

Hardness

20-90 Shore a

OEM / ODM

Available

Transport Package

Inner PE Bag + Outer Carton Box.

Trademark

HQK

Origin

Guangdong, China

Production Capacity

5000 Piece/Pieces Per Month

Key features

Customizable Specifications: Offer standard or customized sizes, colors (Red, Green, Brown), and hardness (20-90 Shore a).

Multi-Material Options: Available in Silicone, NBR, and FKM materials to suit various industrial sealing needs.

Fast Production Lead Time: Production takes only 1-3 days after receiving PO and 30% advance payment.

Wide Industry Application: Suitable for automotive, medical devices, food processing, machinery, and electronics industries.

Flexible OEM/ODM Service: Supports full customization, minor customization, and flexible design-based manufacturing.

Strict Quality Control: Professional QC team ensures Incoming, In-process, and Out-going quality control throughout production.

Company profile

Fast DeliveryQA/QC InspectorsR&D CapabilitiesImporters and Exporters

Dongguan Huaqi Sealing Co., Ltd.

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: 7 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.21h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and ODM/OEM capabilities, operates 12 production lines with stated silicone tube and silicone rubber sheet output, and maintains documented procedures for finished-product inspection, supplier-service assessment, corrective actions, and complaint handling. It reports OEM service for well-known brands and participation in a 2025 overseas trade exhibition. However, it has no valid manufacturing-capacity contract with affiliated subcontractors, no overseas warehouse, overseas showroom, overseas agents or branches, and no overseas service coverage by country. Innovation evidence is mixed: the supplier reports one national science and technology progress award but no new products in the past year and no SDK. Production controls also have a weakness because ongoing batch quantity reconciliation is not performed. Certification holding and specific customer case details are not provided.

Supplier typeThe supplier appears to be a manufacturing-oriented OEM/ODM supplier with 12 production lines, equipment for rubber and converting processes, in-stock capacity, and stated OEM service for well-known brands. It also has export activity and identified Southeast Asian, Middle Eastern, and domestic markets, but lacks overseas branches, agents, warehouses, and showrooms.

After-Sales capabilityThe supplier has written and followed procedures for service capability assessment, corrective and preventive actions, and customer complaint handling, with lead times stated as within 15 workdays in both peak and off-season periods. Its after-sales reach is limited by the absence of overseas warehouses, showrooms, agents, branches, and stated overseas service countries.

Production capacityProduction capability is supported by 12 production lines, more than 10 operating lines, specialized equipment, stated annual output of 2,000 tons of silicone tube and 3,000 tons of silicone rubber sheet, inventory capacity, and lead times within 15 workdays. A control weakness is that the factory does not continuously reconcile quantities for every batch or volume production, and it lacks a valid capacity contract with affiliated subcontractors.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization through both design services and R&D services. It also reports ODM availability, providing direct evidence of broad customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands and participated in The 4th China (Vietnam) Export Brand Joint Exhibition in 2025. No brand names, project descriptions, order references, or independently verifiable customer case details are provided.

Product Q&A

Q:Can I get a sample?

Yes, we can provide existing samples for free. For custom designs, there is a sample charge, and new customers pay for delivery. The sample charge will be deducted from the final order payment.

Q:How long is the sample lead time?

For existing products, it takes 1-2 days. For custom designs, it may take 3-5 days depending on the design content.

Q:How do you ensure product quality?

We have a professional QC team following a 'Quality First, Customer Focus' policy. We implement Incoming, In-process, and Out-going quality control throughout our factory operations.

Q:Why should I buy your O-rings?

Our O-rings offer excellent quality, reasonable prices, good after-sales service, and comprehensive quality assurance.

Q:What materials are available for the O-rings?

We offer O-rings made from Silicone, NBR, and FKM materials to meet different application requirements.