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!