AXT, Inc. operates as a critical supplier at the beginning of the semiconductor value chain, utilizing its proprietary Vertical Gradient Freeze (VGF) technology to grow single-crystal ingots. The company's primary products include indium phosphide (InP) substrates for high-speed optical data transfers, gallium arsenide (GaAs) substrates for RF amplifiers and LEDs, and germanium (Ge) substrates. In addition to wafers, AXT sells specialty raw materials, such as purified gallium and pyrolytic boron nitride crucibles, through its consolidated joint ventures in China. The company maintains a vertically integrated supply chain with its primary manufacturing subsidiary, Tongmei, located in Beijing. AXT serves a global customer base across the Asia Pacific, Europe, and North America, providing essential materials for advanced technologies like AI infrastructure, optoelectronics, and autonomous vehicle lidar.
