Quality control and technical standard are based on national standard and customers’ requirement.
For filters and other consumables, the storage time is one year at ambient temperature and moisture.
Appearance Quality Objection:
Buyers are supposed to inspect and sign off that the appearance of products are in good condition( in case any appearance damage occur, SENKON will replace free of charge within four working days).
Internal Quality Objection:
Any objection on internal performance of product, such as filter efficiency, pressure drop, air flow, etc., please put forward in writing within one month after receiving; if problems do come from the filter itself, that is, installation is conformed to reasonable method and there is no artificial damage on the appearance, but the efficiency testing still fail, SENKON will arrange technicist within three working days to handle and replace the confirmed unqualified product within five working days free of charge, SENKON will bear the economic loss caused to the customers.