We are the world's largest manufacturer & seller of non-electric air conditioning, we have developed the world's smallest residence non-electric chiller which can be driven by gas, exhaust from power generation, solar energy or any other waste heat. We also developed our unique fan coils equipped with electrostatic cleaner killing bacteria, pollens, filtering particles at 0.1 micron, with CO2 Sensor, preventing people against heart attacks, with ultrasonic flow meter, billing every client, with active carbon sheet trapping toxic gases like formaldehyde, benzene...Compared with traditional fan coils, ours shares nothing but coils.Besides, heat recovery fresh air units, air handlers, air purifiers with top quality and unique design are also provided.We would like to explore a win-win business opportunity between us.To give you a general idea of BROAD, please read our attachments. For more information: www.broad.com