... are major in producing DC, AC, and AC to DC axial fans, blower, centrifugal fan, cross-flow fan, control panel for fan energy-saving, finger guard ... but low noise and low power, energy-saving fan that AC TO DC (EC).We through the managerment system ISO9001:2008 ... are major in producing DC, AC, and AC to DC axial fans, blower, centrifugal fan, cross-flow fan, control panel for fan energy-saving, finger ...