1. Appliance: used in the air conditioning sytem of mining machine,truck, construction machine, harvesters, caravan and excavator cab, crane, grab, ship etc. 2. Compressor Type: Electric AC Compressor; Ecooler series truck ac systems with the most competitive price in the market, and with the different types of mounted types, such as rooftop mounted units, backwall mounted ones. Our Ecooler serie