Shenzhen Lester Semiconductor Co., Ltd., also is known as YIGO-KEY Technology, is a leading company of electronic components, and also a company of factory trade ingegration. We deal in integrated circuits, including IGBT modules, sensor, triode, diode, capacitor, resistor, transistor, LED, power module, etc. All of these products are made for commercial, industrial use and even for military. We have direct goods source from Singapore, Malaysia, Indonesia, USA and of course China(including HongKong and TaiWan). With advanced management concept, reliable product quality and perfect service system, integrating manufacture and distribution, origin group has been awarded various international certifications. Over the years, our company has built up an enviable reputation overseas and at home with its excellent services, guaranteed quality, competitive price and fast delivery, meanwhile our customers has spreaded all over the world.