china high metal quality vertical file cabinet adopts high-quality cold rolled steel plate; using computer numerical control punching, pressing, folding, punching, and welding to ensure high accuracy, and the surface treatment is electrostatic powder spraying, which is subjected to high temperature, cleaning, degreasing, Seven pre-processing procedures such as phosphating ensure perfect quality and embody modern humanistic and environmental protection concepts. Quality assurance, low price, fashionable style, china high metal quality vertical file cabinet supports customization.