Precision Manufacturing, Exceptional Socket Performance

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Ultra Precision

±0.001 mm Accuracy

Extended Lifespan

3x Longer Lifespan

Quality Control

100% Factory Testing

Global Trust

1000+Clients



Product Range

We are professional manufacturer of the following products
Our management has followed the IATF16949 management system.

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Bearing Adapter Sleeves

Effortless mounting for tapered bore bearings on plain or stepped shafts—flexible, precise, and easy to disassemble.

Hydraulic Adapter Sleeves

HOH23–HOH39 sleeves simplify mounting large bearings with oil injection design. Durable, easy to install, and ideal for steel, cement, and textile industries.

Bearing Adapter Sleeves Dimension(Inches)

Inch Adapter Sleeves for U.S. Standards, made with precision and CNC control to meet American bearing requirements.

Withdrawal Sleeves

Designed for spherical roller bearings on tapered shafts, withdrawal sleeves offer secure and efficient installation. Hydraulic tools can assist with larger bearings to ensure smooth mounting.

Hydraulic Withdrawal Sleeves

Used on metric shafts, hydraulic withdrawal sleeves enable precise mounting and easy disassembly of tapered bore bearings.

Bearing Lock Nuts

Lock nuts keep bearings and machine parts securely in place, supporting mounting on tapered shafts and aiding disassembly.

Bearing Lock Washers

Lock washers secure nuts and bolts, preventing loosening from vibrations. Ideal for industrial applications, they ensure long-lasting fastening reliability.

Self Lubricating Brass Bushing

Lock washers prevent loosening from vibrations, ensuring stable fastening across various industrial applications.


Industries We Serve

Where performance meets reliability.

Automotive Industry

Our products are manufactured using advanced technologies and precision processing techniques, ensuring high accuracy and long-term stability of automotive parts.

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Steel Industry

Precision components built to endure high heat and heavy loads in steel manufacturing environments.

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Paper & Printing

Smooth, quiet, and consistent performance for high-speed printing and paper processing machinery.

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Mining & Heavy Industry

Reliable bearing solutions for rugged applications where strength and durability are critical.

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Sports Equipment Industry

Our products are precision-manufactured to enhance the stability and accuracy of sports equipment, providing users with a superior experience.

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Medical Equipment

High-precision, low-noise parts designed for sensitive and sterile medical environments.

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Application Overview


Global Supplier of High-Quality Bearing & Transmission Parts 

CHIN SING | Taiwan Manufacturer Since 1990

Taiwan-based precision metal parts manufacturer since 1990. Specializing in custom-machined components including adapter sleeves, lock nuts, brass bushings, and made-to-order metal parts for global industries.

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