With the continuous expansion of global factory and PV energy storage projects, galvanized and PPGI steel become top purchasing products, while many buyers cannot distinguish their application scenarios accurately. As original manufacturer, Jiangsu Zhongersheng sorts out professional selection guide for global clients. 1. Hot-dip galvanized steel: Pure zinc anti-rust coating with high cost performance and wear resistance, suitable for steel brackets, guardrails and load-bearing factory components, available for secondary painting. 2. PPGI color coated coils: Galvanized base with color paint layer, anti-rust & decorative with various colors, widely used for factory roof & wall panels, energy storage housings and PV roofs without post painting. Climate suggestion: Thick galvanized coating for rainy coastal projects; PPGI sheets for decorative outdoor buildings and energy storage casings; customized PVDF fluorocarbon PPGI for high-temperature desert areas. Zhongersheng produces both steel types in self-owned workshops with large spot stock, supporting slitting, leveling and film covering processing. Full export documents are supplied for all shipments to meet global engineering standards. Feel free to contact our technical team for material selection support.