Quality Control

Material selection: Nanjing glass fiber / imported HV glass fiber is selected to ensure good filter performance.


Process: From the cutting and folding of the filter material to the adhesive welding, the processing is professional and sophisticated.


Quality inspection: Strict selection of materials - completion quality test - visual inspection - random inspection, layer checks to ensure quality.


After-sales: Quality guarantee within 1 year after delivery, so that you can worry about using the purchase!


Certifications

  • Business License
  • 91410100MA44KEY28B
  • Long-term
  • Long-term
  • QUALITY CERETIFICATE
  • 74577151-2
  • 1970-01-01
  • 2027-12-12