The P1-P4 laser scribing processes are the backbone of high-efficiency perovskite solar module manufacturing. Each step requires precise control over laser parameters, depth, and positioning to ensure optimal electrical performance and long-term reliability. Lecheng Intelligent's advanced laser systems, with features like trajectory tracking and focus following, provide the technological foundation needed to master these complex processes. As perovskite technology advances toward commercialization, precision laser scribing will remain a critical enabler for achieving higher efficiencies and lower costs in solar energy production.