Shenzhen professional electronic semiconductor co., LTD (hereafter Shenzhen professional electronic ) is a wholly-owned subsidiary of Newsun Electronic International CO.,LTD (a direct member of China Electronic chamber of commerce and Shenzhen electronic chamber of commerce.) Shenzhen High Quality Electronic Semiconductor Co., Ltd. is a one of the blended distributers of domestic electronic components devoting to providing high-quality electronic components and comprehensive technical support.MOSLEADER is a brand for passive electronic components of our company . Our company purchase high quality imported wafers of electronic components, then process and package by factory. We can customize marking of electronic components .Our engineers can help customers choose the most suitable electronic components to produce the products! And we can express the components to Chinese address for customers if need. In the past 10 years,our core value has been to progress continuously and develop with innovation.We distribute over 30 international brands, 200,000 products having started co-operating with thousands of customers on a long-term and stable basis in the fields of switching power supply , intelligent home, industrial control and biomedical treatment,etc.