The production of P-type single-Si PV cells includes the main process steps of texturing, diffusion, SE doping, etching, oxidation, coating, screen printing, sintering, and inspection. The production of N-type TOPCon PV cells includes the process steps of texturing, boron diffusion, laser SE, oxidation, etching, back etching, poly tunnel oxide layer, annealing, RCA cleaning, ALD coating, PECVD coating, screen printing, drying, sintering, light soaking, and testing & sorting. The manufacturing process of HJT photovoltaic cells includes texturing, cleaning, amorphous silicon thin film deposition, transparent conductive film deposition, and screen printing. The production of multiCrystalline silicon photovoltaic cell includes texturing, cleaning, alkaline washing, acid washing, phosphorus diffusion, removing PSG, etching, plasma chemical vapor deposition, screen printing dry sintering, and inspection processes.