Cooltech Global is your trusted diesel generator specialist with a one-stop power solution. Cooltech Global Limited produces diesel generator sets and we have our own factory in Shanghai, China. Our products have a pretty big range, from 4kVA to over 3300kVA. And they are powered by Mitsubishi, Perkins, Cummins, Volvo and MTU. We use Stamford alternator and we have our own alternator brand as well.