Dear Sir. . .We thank you very much for your email. . .As you know that、 we are the trading & manufacturing JSC、 we are import many air conditioners to commercial spaces of Viet Nam annual. So that the air conditioner capacity is very high from 18、000BTU to 45、 000BTU in all kinds of wall mounted、 cassettes、 ceiling suspended、 concealed ceiling、 4-way blow ceiling. That used efficient and saving power with inverter technology. We would like you send us some information on the newest products、 all your products used the inverter technology that you produce、 we will consider and corporate long time. . .We look forward to hearing from you and conveying our best wishes to you. . .Your faithfully. .Hoang Thu Hang (ms)、 Hop Phat JSC .Tel: 84-4-9321018 .Fax: 84-4-9321809 .No2: Chuong Duong Do street、 Hoan Kiem street、 Ha Noi、 Viet Nam .