• Composition analysis: Confirm that the chemical composition of stainless steel and other raw materials meets the standards through spectral analysis or other chemical analysis methods.
• Mechanical performance testing: Test the tensile strength, hardness and ductility of the material to ensure that its mechanical properties meet the requirements.
• Surface quality inspection: Check whether there are cracks, scratches or other defects on the surface of raw materials.
• Dimensional inspection: Use precision measuring tools such as calipers and micrometers to inspect the dimensions and tolerances of each component.
• Welding inspection: Conduct visual inspection of the welded parts to ensure that the welds are smooth, free of pores and cracks, and perform X-ray or ultrasonic testing if necessary.
• Surface treatment inspection: Check the polishing effect and uniformity to ensure that the surface finish meets hygienic standards.
• Sampling inspection: Random sampling inspection of products about to leave the factory to ensure the consistency and quality stability of mass production.
• Packaging inspection: Confirm that packaging materials and methods meet hygienic requirements to prevent contamination or damage during transportation.