7500 yuan. According to relevant data, the wage of riveting and welding workers is 7,500 yuan, and the annual wage in 202/kloc-0 is 4% higher than that in 2020. Riveting welder is the floorboard of riveting welder. The riveter is responsible for lofting and blanking production, and the welder is responsible for welding the riveter after the production is completed.