Overheated springs should be replaced, since they may have lost tension and will not operate satisfactorily. Spring pressure can be tested with a spring-tension tester.

过热的弹簧应该更换，因为失去弹性的弹簧运行时达不到满意的效果。可使用弹簧弹力计进行检测。

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The company provides electronic double-digital display tension spring, compression spring, torsion spring testing device, prijector, sclerometer, and salt spray tester.

电子双数显拉簧、压簧、扭簧测试仪器、投影仪、硬度计、盐雾测试机等。

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