DAWIN Electronics Co., Ltd. is manufacturer for high power semiconductor. Product: Ultra -Fast Recovery diode Modules. IGBT ModulesDAWIN's Module are optimized to reduce losses and EMI/FRL in high frequency power conditioning electrical systems. These modules are ideally suited for power converters, motors drives and other applications where switching losses are significant portion of the total losses. If you are interested in our products. Pls contact us quickly. For more information. PLS visit http://www.dawinelectronic.com