Cleaning according to the given point (reference point for cleaning according to ST-QC-206) before the holidays and then spray with organic acid based formaldehyde quantity test and how to treatment.
Cleaning on the spot (Refer to the cleaners by ST-QC-206) before the holiday and then spray with organic acid based formaldehyde content has proved thoroughly drenched.
Cleaning according to the given point. (reference point) before cleaning according to ST-QC-206 holiday and spray organic acid based formaldehyde with the quantity of the test that was thoroughly.