According diffusers of different types, (1) a square (rectangular) shaped diffuser, circular multi-cone diffuser, round male casual flow, air flow patterns which send attached flat type; ( 2) Self-temperature converter type diffuser (3) back (suction) dual diffuser. Enshi single Grille. Aluminum outlet Classification 1) Alloy double Grille; 2) aluminum single Grille; 3) aluminum fixed outlet strip; 4) from the vertical louvered aluminum air; 5) aluminum diffuser; 6) adjustable spherical aluminum outlet; 7) aluminum swirl diffusers; 8) aluminum egg Grille; 9) aluminum ceiling inspection door, access door; 10) Aluminum outlet Xinhua new checkpoints; 11) aluminum alloy hinge-type outlet; 12) aluminum facades rain (water) Grille; 13) Aluminum 0 degree / 30 degree line-shaped outlet; 14) aluminum trough-shaped diffuser.