Air Conditioning, Air Conditioner, Refrigerator manufacturer / supplier in China, offering Duct Type Air Conditioner R454b Refrigerant 18000BTU 24000BTU 36000BTU 48000BTU 60000BTU, Comercial Industry Duct Type Air Conditioner 30000BTU-60000BTU, Fan Coil Unit Fcu 60000BTU Chilled Fan Coil Cooling Air Conditioner Duct Type and so on.