Jianpin Air-Conditioning is not only a professional manufacturer and supplier of all kinds of HVAC (heating, ventilation and air conditioning) parts, but also a one-stop service provider.Only the Best is our mission. Our main products and services as following, Air Diffusers ,grilles and registers --All kinds of aluminum/metal/ABS/wooden air diffusers and air grilles, such as ceiling diffusers, floor registers, door grilles ,egg crate grilles,side wall registers, square/round air diffuser