Carpets are divided into six grades according to the performance of the places they are used:

(1) Light household grade: laid in rooms or parts that are not often used;

(2) Medium household grade or light professional use grade: for the master bedroom or dining room;

(3) General household level or medium professional use level: for living rooms, frequent traffic areas such as stairs, corridors, etc.;

(4) Heavy household grade or general professional grade: used in places with heavy wear at home;

(5) Heavy professional use level: generally not used by families;

(6) Luxury level: The quality of the carpet is good, the fiber is long, and it is luxurious.