The emergence of the machine has brought a revolutionary breakthrough to the advertising production industry. Through the control of intuitive and groundbreaking software, the Channel Letter Bending Machine can accurately fold the edge of metals and achieve high-precision fit with the lateral and bottoms plates, greatly increasing the intensity and aesthetics of the LED sign letters. The core of the channel bender technology is that in addition to bending the letters flawlessly, it is also able to match the folded contours and panels well so as to avoid subsequent light leakage, making it the focus when when purchasing the automatic letter bender.