Lei Bo (production squad leader, winner of the Luoyang May 1st Labor Medal): He has been deeply engaged in the precision slitting front line for 12 years, and has created the original "equipment full-cycle maintenance method" to reduce the failure rate by 65%;Lead the team to achieve 0.2 mm Ultra-thin aluminum foil slitting accuracy has exceeded, and production efficiency has been improved by 45%;Its "five-step lean production method" has been included in the provincial manufacturing management case library.