Assembly and fine adjustment devices for laser sensors are specialized components used in precision engineering and automation industries. These devices are typically produced by companies like PI (Physik Instrumente) from Germany, known for their high-precision motion control and positioning systems. They cater to industries such as semiconductor manufacturing, photonics, and medical technology, offering products like piezoelectric actuators, linear stages, and alignment tools. Other notable manufacturers include Newport Corporation (USA) and Thorlabs (USA), which provide similar solutions for optical alignment and laser system integration. These devices ensure accurate calibration and stability in applications requiring micron-level precision.