I'm from Italy，I need Air conditioning for a project, we are doing a new warehouse, we need for office. I need 3 pieces 18000 and 2 pieces 12000. 1.I have 3000watt 2. I need both 3.i prefer with inverter 5.i have not bought before. I have not preference This is a sample. We have project because we are making new offices in warehouse and in October i ll buy more 30 pieces if quality is good I have a container here that other factory will load end of may, you can ship there and they'll load your air conditioner. Let me know your best offer