Profile: Guangzhou Grandaire Co Ltd manufactures a wide range of diffusers and grilles for A/C industry for domestic and overseas markets. We offer egg crate, diffuser, grille, weather louver and linear slot diffuser. Our diffusers and grilles include louvre faced diffusers, bevel faced diffuser, egg crate grille, single deflection grille and double deflection grille. We also supply egg crate return air grille, door grille, fixed blade diffusers, outside air louvre, round diffuser, linear slot diffuser, jet diffusers, fire dampers and plastic grilles.