Annealed wire is a soft annealed iron wire product made from low-carbon steel through cold drawing, heating, constant temperature and heat preservation processes. It has the characteristics of strong flexibility and good plasticity [1-3]. Its production process includes coil shelling, pickling, water washing, saponification, drying, drawing, annealing, cooling, pickling, water washing, galvanizing, packaging and other procedures. The finished product needs to be rust-proofed.