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In this paper, we present the recent progress of the implementation of the Multi Si PERCT technology into an industrial pilot production of Shanxi Luan Solar Technology.The PERCT technology is an alternative to the AlOx based PERC technology for improving multi crystalline solar cell efficiencies above 18.5% based on standard mass production equipment and wafer qualities.An additional unique feature of this technology is the manufacturing of bifacial multi crystalline solar cells with screen printed finger grid on the rear side instead of a full area AI-BSF.