The main process is the finishing of the guardrail shape and electrostatic spraying, anti-corrosion treatment on the surface of enamel-like electrophoresis. The main products are balcony railings, courtyard fences, stair railings, anti-theft guard windows and street fences. Sesun rainbow, self-cleaning and environmental protection, and other characteristics, 20 years of quality assurance, is a new type of guardrail upgrading and upgrading products, in line with market orientation, market demand is large, well received by consumers.