... size 4CE ,ISO9001:2008 18000m2/h air conditioner for factory use 1.Parameter: Voltage/frequency: 380V/50HZ Air flow ... , pp homopolymer engineering material,add flexibilizer, UV-cut resisitant.Complete protection, over-current protection, open phase protection, undervoltage protection ... - US$2.5 Million Export Percentage:11% - 20% Factory Information Factory Size (Sq.meters):3,000-5,000 square meters ...