We are looking for manufacturer of a small and reliable Marine Air Conditioner unit.We need very small and compact units, we are looking for a manufacturer that can produce those units for us, the factory must be able to make units as reliable as Gree Appliances. We need 3500 BTU, 5000 BTU, 9000 BTU, 12000 BTU, 16000 BTU, all with green gas, running both on 115V and 230/220V 50/60 HZ.Thank you.