Based on our management philosophy, in order to offer high end products to customers, we make sure our products’ quality is at very high level by the following QA systems.

Verification of Basic Properties

We measure required properties of spring accurately and efficiently.

Measurement of Spring Properties
Measurement of Spring Geometry
Image Measurement System
Coil Flexibility Testing

Reliability Testing

We test reliability of springs.

Life Cycle Testing
Deterioration Testing in High Temperature
Fracture Observation by SEM

Material Verification

We check the conditions of spring wire.

Torsion Strength Testing
Tensile Strength Testing
Hardness Testing
Observation of Metal Composition

Coping with Requests for Being Clean

Springs with strict requirements for being clean, such as automotive springs, are washed by automatic washing machine in the clean booth.

Clean Booth
Automatic Washing Machine