1. Product Attributes / 产品属性

2. Material Selection Guide / 材质选择参考

* Temperature and chemical compatibility vary by compound, hardness and operating conditions. Final selection should be confirmed with the supplier.

3. Core Selling Points / 五大核心卖点

Reliable Sealing Performance

Precision-molded O-rings provide stable compression and help reduce leakage in static and dynamic sealing applications.

Multiple Materials and Sizes

Choose from NBR, FKM, EPDM, silicone, HNBR, PU and other compounds in metric, inch and fully customized dimensions.

Custom Manufacturing Service

Material, hardness, color, cross-section, tolerance, label and packaging can be customized according to drawings or samples.

Strict Quality Inspection

Each production batch is checked for dimensions, appearance, surface finish and consistency before packing and shipment.

Factory Supply and Stable Delivery

A 10,000 m² production base, 10 production lines and more than 200 workers support sampling, repeat orders and bulk purchasing.

4. Ready-to-Use Detail Page Copy / 详情页英文文案

Main Banner

High-Performance Rubber O-Rings
Reliable Sealing Solutions for Industrial Applications
NBR · FKM · EPDM · Silicone · HNBR · PU

Product Overview

LANTRY industrial rubber O-rings are precision-molded sealing components designed for hydraulic, pneumatic, automotive, pump, valve, pipeline and machinery applications. Multiple materials, hardness levels, colors and dimensions are available to match different temperatures, pressures and working media.

Stable Sealing Performance

The round cross-section creates uniform compression inside the groove, helping prevent leakage and maintain dependable sealing performance. Smooth surfaces and controlled dimensions support stable installation and repeatable use.

Multiple Material Options

Select the appropriate compound according to oil resistance, chemical resistance, heat resistance, weather resistance, abrasion resistance and low-temperature flexibility. Our team can recommend a suitable option based on your application conditions.

Precision and Customization

We support standard metric and inch sizes as well as customized O-rings based on drawings, samples or technical requirements. Available customization includes material, hardness, color, inner diameter, outer diameter, cross-section, tolerance, label and packaging.

Quality Control

Quality inspections cover incoming materials, production dimensions, surface appearance and finished-product sampling. Products are packed only after inspection to support consistent quality across repeat orders.

Applications

Suitable for hydraulic cylinders, pneumatic equipment, pumps, valves, compressors, pipelines, automotive parts, industrial machinery, water systems, chemical equipment and general sealing assemblies.

Packaging and Delivery

Products can be packed in individual PE bags, labeled inner bags, export cartons, wooden cases or pallet packaging. Neutral packaging and customized labels are available for wholesale, distribution and OEM projects.

Call to Action

Send us your drawing, sample, material requirement, size, hardness, working temperature, medium and order quantity. Our team will provide a suitable sealing solution and quotation.

5. Alibaba Selling Description (5 Bullets)

• Precision Rubber O-Ring Seals: Designed for reliable static and dynamic sealing in hydraulic, pneumatic, pump, valve, pipeline, automotive and industrial equipment applications.

• Multiple Material Options: Available in NBR, FKM, EPDM, silicone, HNBR, PU and custom compounds for oil, heat, chemical, water, weather and abrasion resistance.

• Metric, Inch and Custom Sizes: Supports standard sizes and customized inner diameter, outer diameter, cross-section, hardness, color and tolerance according to drawings or samples.

• Strict Quality Control: Raw materials, dimensions, surface appearance and finished products are inspected to help maintain stable quality and consistent sealing performance.

• OEM ODM and Factory Supply: Custom labels, packaging and bulk orders are supported. Our 10,000 m² factory, 10 production lines and 200+ workers provide stable production and delivery.

6. Recommended Product Titles

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4. Precision Molded O Ring Seal Kit Metric Inch NBR FKM EPDM Silicone Rubber Gaskets Factory Supply

5. Custom Rubber O Rings Manufacturer NBR Viton EPDM Silicone Sealing Rings for Automotive Hydraulic Systems

7. Company Introduction / 公司简介

Tianjin Lantry High-Performance Sealing Materials Co., Ltd. is a professional manufacturer of industrial sealing materials and customized sealing solutions. The company operates a production facility of approximately 10,000 square meters with 10 production lines and more than 200 skilled workers. A 10–15-member design and quality inspection team supports material selection, product development, sample production, process inspection and final quality control. LANTRY provides O-rings, gaskets, packing, PTFE products, graphite sealing products and other customized industrial sealing components for customers worldwide.