Modern production of the Iron padlock Factory focuses on environmental protection and sustainable development, optimizing production processes to reduce resource consumption and environmental pollution. In the past, metal processing and surface treatment in padlock manufacturing generated certain waste residue and sewage. To improve production conditions, the factory has upgraded its production equipment and introduced energy-saving smelting devices and circulating water treatment systems. The new smelting equipment reduces fuel consumption and lowers waste gas emission during iron material heating and forming. All production sewage is collected and purified through professional filtration equipment, and the treated water can be recycled for workshop cleaning and equipment cooling, cutting down water resource waste. For metal waste generated in processing, including leftover iron blocks and polished metal debris, the Iron padlock Factory conducts centralized recycling and reprocessing. Recycled iron materials are screened and remolded to be reused in qualified low-specification iron padlock production, improving raw material utilization rate. In terms of surface anti-rust treatment, the factory replaces traditional high-pollution coating materials with environmentally friendly zinc plating processes. This treatment forms a protective layer on the surface of iron padlocks, enhancing rust resistance while reducing harmful substance volatilization. The factory also arranges regular equipment maintenance and environmental monitoring to ensure all production links meet regional environmental protection standards. Through continuous green transformation, the Iron padlock Factory balances production efficiency and ecological protection, realizing stable and sustainable operational development.