Your Wafer Bumping and Testing Partner in Taiwan Finding the right test solution to meet your needs is essential in today's competitive market. As one of the leading test houses in Taiwan, Winstek Semiconductor Corporation offers proven expertise in mixed-signal, digital, optical and radio frequency devices. In production since 2000, Winstek Semiconductor Corporation has established itself as one of the top test houses in Taiwan, and continues to expand service lines and production services to assist customers with their new ventures and innovations. Our facilities also include a world-class solder bumping line with HVM production capability for 300mm wafers. A Top Partner and Supplier With well-established relationships with major foundries, Winstek Semiconductor is able to provide the best end-to-end services to customers. Winstek Semiconductor's customers range from major corporations to smaller innovators with end-market products ranging from communications to computers to consumer products. Recognized as a top partner supplier and subcontractor, Winstek Semiconductor enjoys close working relationships with TSMC and UMC, the world's two largest pure-play foundries. Full Turnkey Solutions Winstek Semiconductor can provide bump, test, and assembly turnkey solutions through partnerships with top assembly houses in Taiwan. Winstek Semiconductor has relationships with both the top fabs and assembly houses in Taiwan, allowing customers a smooth, uninterrupted delivery of services for their products.