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QA Program ESL scrupulously enforces a rigorous quality control program to insure that each bearing shipped is made to the highest standard. Our goal is to meet and exceed the customers¡¯ demands exceed the customer¡¯s demands. Our QA program conforms to National Standard of P.R. of CHINA:¡± GB2828 ¡± Inspection Systems Requirements¡±. To support it, ESL utilizes the highest quality state-of-the-art equipment available. We not only conduct the necessary static and dynamic tests on bearing pieces and parts, but also offer the following services: - Continuous service-life tests on bearings and other related products, including seals, leakage of lubricant, dust-prevention, water-prevention, limit rotational speeds (or high speeds), temperature rise and other functional tests;
- Frictional torque tests;
- Imitation tests in dynamic working conditions (with alternating loads and shock loads) of bearing for medium-and-small sized rolling mills;
- Special requirement tests on bearing products, using any combination of testing devices.
Materials/Components Sourced from reliable suppliers with ISO9001/9002 certifications, subject to rigid tests, and only the qualified are accepted. Equipment / Facilities 
Machinery/Production Process Full in-house Heat treatment
Automatic grinding lines
Automatic assembly lines
Automatic grease-adding machines
Automatic cleaning line
Test Equipment and Facilities
Metallographic Analysis Machine
Projector
Bore Measuring Instrument
Length Measuring Machine
Talyrond Roundness Testing Machine
Talysurf Surface Measuring System
Vibration Machine ¨C BVT-1
Noise Testing Machine ¨C SO901-1
Grease Overflow and Temperature condition tester Materials, Manufacturing and Inspection Processes 
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