Liaocheng Jingnai Machinery Parts Co., Ltd.
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Research & Development
Quality Management System

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. This ensures that the performance of our product meet international standards. The specific process is outlined as follows:

Quality Management System

Quality Control

Our company has established an advanced R&D and testing center, equipped with state-of-the-art testing instruments, including coordinate measuring machines, universal length measuring systems, spectrometers, profile measuring machines, cylindricity measuring instruments, vibration meters, hardness testers, metallographic microscopes, bearing fatigue testing machines, and various other measurement instruments. These instruments are utilized for comprehensive quality control throughout the entire production process, thoroughly inspecting the comprehensive performance of products to ensure zero defects in JITO products.

  • Bearing Fatigue Testing LabBearing Fatigue Testing Lab
  • Bearing Measurement WorkshopBearing Measurement Workshop
  • Bearing Testing LabBearing Testing Lab
  • Coordinate-Measuring Machine (CMM)Coordinate-Measuring Machine (CMM)
  • Universal Length Measuring SystemUniversal Length Measuring System
  • SpectrometerSpectrometer
  • Profile Measuring MachineProfile Measuring Machine
  • Cylindricity Measuring InstrumentCylindricity Measuring Instrument
  • Flaw DetectorFlaw Detector
  • Vibration MeterVibration Meter
  • Hardness TesterHardness Tester
  • Metallographic MicroscopeMetallographic Microscope
  • Bearing Fatigue Testing MachineBearing Fatigue Testing Machine
Certificates

Our company has successively obtained ISO 9001 and IATF/16949 quality management system certifications. In 2016, the JITO brand was officially registered in the European Union. The exceptional product quality has enabled us to penetrate markets in over 30 countries worldwide. Moreover, we have established strategic partnerships with numerous esteemed brands from diverse countries.

  • IATF 16949:2016IATF 16949:2016
  • ISO 9001: 2015ISO 9001: 2015
  • ISO 9001: 2015ISO 9001: 2015
  • ISO 14001: 2015ISO 14001: 2015
  • GB/T 29490-2023GB/T 29490-2023
  • 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.

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  • 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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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
  • Tapered Roller Bearings
    Tapered Roller Bearings
  • Cylindrical Roller Bearings
    Cylindrical Roller Bearings
  • 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
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