... 500W, 1KW, 2KW, 3KW, 5KW, 10KW, 20KW to 30KW with CE certificates honored. Thanks to the wide sorts and good quality, the products ... up the majority of domestic market and have been exported to more than 40 countries, say, Britain, France, the United ... speed 2m/s. The appliance of several new technologies contributes to the simplification of installation procedures, reduction of taking room, ...