Precision Rubber O-Rings & Seals Manufacturer

Precision Rubber O-Rings & Seals Manufacturer

Specializing in high-tolerance rubber sealing solutions. IATF 16949:2016 certified manufacturing for Automotive, Medical, and Industrial sealing systems.

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Custom Molded Rubber Components Made Simple

From CAD design to prototype and mass production. We engineer complex rubber parts to solve your specific leakage and pressure challenges.

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High-Performance Material Experts

Precision-molded FKM, FFKM, EPDM, and NBR. FDA & NSF compliant materials engineered for extreme temperatures, high pressure, and harsh chemical resistance.

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Large-Scale Factory-Direct Manufacturing

11,000 m² manufacturing facility with advanced injection & compression molding. Delivering 50M+ precision-inspected rubber seals to global Tier-1 suppliers annually.

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Our
Certifications

IATF Certificate
ISO13485:2016 Certifed
UL Certificate
FDA Certificate
NSF Certificate

COMPONENT CATALOG

Every Seal for Every Need

High-performance sealing solutions engineered for Automotive, Medical, Aerospace, and Industrial sectors. 100% custom-molded to your exact specifications.

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ABOUT HONGJIE

Leading Manufacturer
for High-Performance Seals

Established in 2001, HONGJIE operates an 11,000 m² manufacturing facility with approximately 150 employees. After 25 years of continuous improvement, we have transitioned to semi-automated production, reducing manual dependence while increasing precision and efficiency. We specialize in industrial rubber components—including o-rings, washers, and custom seals—ensuring strict quality control at every stage.

3,500+
Existing O-Ring Tools
11,000m²
Manufacturing Facility
50M+
Parts Delivered
C=0
Acceptance Sampling Option

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Manufacturing

Direct-from-Factory Manufacturing

From custom mold design to automated production and rigorous in-line testing, our manufacturing process is optimized for precision, batch consistency, and reliable performance in demanding industrial environments.

Advanced Production
Precision Equipment
Strict Quality Control
Global Delivery

Advanced Automated Rubber Production

Equipped with state-of-the-art automated injection and compression molding lines, ensuring high-efficiency production and consistent part geometry for large-scale orders.
High-Precision Molding Machinery

Utilizing high-speed automated molding and precision cutting systems, we maintain micron-level accuracy to meet the most demanding engineering specifications.
Rigorous Quality Control Systems

Every batch undergoes rigorous lab testing, including tensile strength, abrasion resistance, compression set, and low-temperature performance analysis to ensure zero defects.
Global Supply Chain Logistics

Seamless supply chain integration with localized warehousing and fast-track shipping options, serving industrial partners across North America, Europe, and Asia.

Markets Served

Versatile Applications Across Industries

We provide industry-specific sealing solutions that handle extreme temperatures, high pressure, and harsh chemical environments.

Automotive
Aerospace
Hydraulic & Pneumatic
Healthcare
Oil & Gas
Drinking Water

Customization process

From Drawing to Delivery Custom Your Seals

Our streamlined 4-step process transforms your vision into high-performance reality. We work alongside your engineering team to ensure rapid prototyping, cost-effective tooling, and precision-manufactured results.