... 3custom size 4CE ,ISO9001:2008 18000m2/h air conditioner for factory use 1.Parameter: Voltage/frequency: 380V/50HZ Air flow: ... or ventilation, such as supermarket, workshop,office,hospital...Hangzhou Xin Beili Environmental Science&Technology Co.,Ltd is a manufacturer of ... 1 Million - US$2.5 Million Export Percentage:11% - 20% Factory Information Factory Size (Sq.meters):3,000-5,000 square meters ...