Pengdi Han

Channel Technologies Group LLC manufactures and distributes piezoelectric ceramic products. The firm provides piezoelectric ceramics in standard and custom ceramic shapes, which include bars, squares, plates, discs, rings, cylinders, and staves and transducers which include omni directional transducers, directional transducers, depth sounders, free flood ring transducers, hydrophones, and preamplified hydrophones. The company was founded in 1959 and is headquartered in Santa Barbara, CA.

CTS Advanced Materials LLC develops and manufactures single crystal piezoelectric materials for the medical market. The firm's products include Plates, Wedges, Discs, Cylinders, Rings, Tubes and Cubes. Its technology enables high definition ultrasound imaging 3D and 4D, as well as intravascular ultrasound technology. The company was founded in 1997 and is headquartered in Bolingbrook, IL.