On June 6, 2023, the PV TOPcon laser SE boron expansion equipment independently developed by CETC Fenghua Shenzhen Branch was successfully shipped to a well-known head customer site in the domestic industry.
TOPCon laser SE boron expansion equipment improves the boron doping effect of TOPCon cells by laser, provides customers with efficient laser boron doping solutions, improves cell photoelectric conversion efficiency up to 0.25% and above, the technology reaches the domestic leading level, and promotes the laser boron expansion process in the PV industry. Rapid development, towards a "zero carbon" future!