Stainless steel bellows expansion joints are inspected and shipped by spectrometer. In order to let customers use better products, every bellows compensator and metal hose products produced by Songjiang Group must pass the test of spectrometer before they can leave the factory. Spectrometer can not only test our products, but also be used when we purchase raw materials such as stainless steel bellows and stainless steel woven nets. So there's a double insurance test.
Following is the staff for the corrugation compensator spectrometer detection:
Songjiang Group also has pressure testing equipment for rubber soft joints, and fatigue frequency testing equipment for spring dampers.