• Precision Rubber O-Rings & Seals Manufacturer

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

    Request an O-Ring Quote
  • 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.

    Start Custom Molding Project
  • 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.

    View Material Data Sheets
  • Large-Scale Factory-Direct Quality Control

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

    Visit Our Factory
Our
Certifications
  • UL Certificate
  • NSF Certificate
  • IATF Certificate
  • FDA Certificate
  • IATF Certificate
ABOUT HONGJIE

Leading Manufacturer
for High-Performance Seals

HONGJIE was established in 2001, with an 11,000 square meters facility and existing 300 employees. We offer a wide selection of industrial rubber components such as rubber o-rings, backup-rings, washers, diaphragms, grommets and custom molded seals by injection molding, compression molding, and die-cutting. All rubber products are strictly controlled in each process.

  • 3,500+

    Standard Profiles

  • 11,000

    Own Factory

  • 50M+

    Parts Delivered

  • C=0

    Defect Standard

Manufacturing

Direct from the Factory

Et licet quocumque oculos flexeris feminas adfatim multas spectare cirratas, quibus, si nupsissent, per aetatem ter iam nixus poterat suppetere liberorum

  • Rubber Products Manufacturing Line

    Ut enim quisque sibi plurimum confidit et ut quisque maxime virtute et sapientia sic munitus est, ut nullo egeat suaque omnia in se ipso posita iudicet

  • Rubber Products Equipment

    Ut enim quisque sibi plurimum confidit et ut quisque maxime virtute et sapientia sic munitus est, ut nullo egeat suaque omnia in se ipso posita iudicet

  • Rubber Products Quality Control

    Ut enim quisque sibi plurimum confidit et ut quisque maxime virtute et sapientia sic munitus est, ut nullo egeat suaque omnia in se ipso posita iudicet

  • Rubber Products Global Delivery

    Ut enim quisque sibi plurimum confidit et ut quisque maxime virtute et sapientia sic munitus est, ut nullo egeat suaque omnia in se ipso posita iudicet

Customization process

From Drawing to Delivery Custom Your Seals

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Consultation

Share specs, drawings, or send us a sample

Engineering

Material selection & mold tool design

Production

Precision molding with in-line QC

Delivery

100% inspected, packed, shipped worldwide

Custom Now
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