Vanchip (Tianjin) Technology Co., Ltd. designs, manufactures, and sells radio frequency front end and high end analog chips in China. Its products are used in mobile terminals, such as smart phones and mobile phones. The company offers radio frequency power amplifiers that are used in 2G, 3G, and 4G mobile phones, as well as in data card products. It also provides antenna tuning, filters and duplexers, and RF switches; and Wi Fi connectivity chips. The company was incorporated in 2009 and is headquartered in Tianjin, China.