SHANDONG YUANTAOTU NEW MATERIAL CO.,LTD. operates the HIY brand, providing high-precision bearing solutions and customized bearing designs for global OEMs, distributors, and industrial equipment manufacturers.
Unlike traditional bearing suppliers, HIY focuses on solving challenging bearing applications through professional engineering support, precise bearing selection, and reliable supply solutions. We help customers improve equipment performance in demanding conditions such as high-speed operation, limited installation space, extreme temperatures, and precision motion requirements.
Our product portfolio includes precision ball bearings, thin section bearings, high temperature bearings, deep groove ball bearings, and customized bearing solutions. These products are widely applied in industrial automation, robotics, medical equipment, semiconductor equipment, precision machinery, and other high-end industrial applications.
HIY works closely with customers to optimize bearing performance based on key operating factors, including load, speed, temperature, lubrication, sealing requirements, and service life expectations. We also support customized solutions involving special dimensions, materials, clearance, and bearing configurations.
With strict quality control, responsive technical communication, and flexible supply support, HIY is committed to becoming a trusted precision bearing partner for global OEM customers, delivering reliable solutions that enhance equipment reliability and operational efficiency.
HIY — Engineering Precision Bearings for Demanding Applications.
Our Factory
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| Bearing Processing Line | Bearing Testing Equipment | Bearing Production Equipment |
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| Bearing Production Equipment | Bearing Production Equipment | Bearing Production Equipment |
Processing Equipment
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| Lathe processing machine | Heat treatment production line | Ultra-precision grinding machine |
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| Milling machine | Quenching machine | Assemble line |
Inspection Equipment
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| Leak detector | Outline and roughness measuring meter | Cylindricity measuring instrument |
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| Fatigue life testing machine | Vibration measuring instrument | Ridial clearance gauge |
Production Process
