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Testing equipment and laboratory


In order to meet the pursuit of high quality, Yongji Quality Laboratory is equipped with a full set of imported testing equipment to systematically and standardized control and management of all links such as production research and development, raw material supply, product processing, packaging, and shipping, so as to produce fastener products that meet industry-leading standards.



  • CCD optical screening instrument
  • Inside the CCD optical screen
  • 2.5D image detector
  • 3D image detector
  • Fluorescence spectrometer
  • Embedding machine
  • Vickers hardness tester
  • Rockwell hardness tester
  • Salt spray tester
Equipment list