Liaocheng Jingnai Machinery Parts Co., Ltd.
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Research & Development
Research & Development

Our R&D center continuously conducts technological transformations and enhancements, resulting in the acquisition of numerous national invention patents. A unique heat treatment process is utilized through an energy-saving roller-type mesh belt resistance furnace automatic production line.

  • Raceway convexity technology is adopted for rolling bearings.

    Raceway convexity technology is adopted for rolling bearings.

  • Ball bearing raceways utilize wire drawing superfinishing technology.

    Ball bearing raceways utilize wire drawing superfinishing technology.

  • Bearing assembly is automated, employing ultrasonic cleaners to reduce friction and increase bearing lifespan.

    Bearing assembly is automated, employing ultrasonic cleaners to reduce friction and increase bearing lifespan.

Currently, the precision levels of bearing reach P0, P6, and P5, and vibration values can achieve Z1V1, Z2V2, and Z3V3, making the bearing products highly favored in both domestic and international markets.

With nearly 20 years of industry experience, our team of professional engineers is dedicated to developing innovative and efficient bearing solutions, ensuring each project meets high standards of performance and reliability.

Research & Development
  • Manufacturing
    Manufacturing

    Our company covers an area of over 30,000 square meters, owning several departments including forging, machining, heat treatment, grinding, quality inspection, automated assembly, and warehousing. We currently employ over 200 staff members, including dozens of professional technicians. Our factory has advanced modern automated bearing production lines, with an annual output of over 20 million sets of high-quality precision bearings.

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  • Quality Assurance
    Quality Assurance

    JITO adheres to the principle of "pursuing excellence," ensuring rigorous product inspection processes at every stage of production, from raw material procurement, forging, machining, and heat treatment, to grinding, quality inspection, automated assembly, cleaning, oiling, and packaging for shipment.

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Questions About Bearings? We're Here to Assist!

Do not hesitate to ask any questions you have about our bearings, and a member of our team of experts will answer you promptly.

Contact Us
Our Products
  • Thrust Ball Bearings
    Thrust Ball Bearings
  • Spherical Roller Bearings
    Spherical Roller Bearings
  • Deep Groove Ball Bearings
    Deep Groove Ball Bearings
  • Wheel Hub Bearings
    Wheel Hub Bearings
  • Hub Unit Bearings
    Hub Unit Bearings
  • Forklift Bearings
    Forklift Bearings
  • Tensioner Bearings
    Tensioner Bearings
  • Tapered Roller Bearings
    Tapered Roller Bearings
  • Cylindrical Roller Bearings
    Cylindrical Roller Bearings
Liaocheng Jingnai Machinery Parts Co., Ltd.
  • bearing@jito.cc
  • +86-635-8550888
  • +86-15865730123(WhatsApp, Wechat)
Products
  • Automotive Bearings
  • Rolling Bearings
Applications
  • Automotive
  • Agricultural
  • Motor & Generator
  • Forklifts
  • Power Tools
  • Mining & Aggregate
  • Renewable Energy
  • Construction
  • Food & Beverage
  • Medical
  • Motorcycle
Capabilities
  • Research & Development
  • Manufacturing
  • Quality Assurance
About Us
  • Overview
  • Company Profile
  • Certificates
  • Service
  • FAQs
  • Exhibitions