A zone-based material solution for a 6,500㎡ electronic manufacturing purification workshop in Nanning, Guangxi. Uses double-sided 304 stainless-steel magnesium-oxide boards for core clean zones and single-sided color-steel + stainless-steel boards for auxiliary areas. Delivers high cleanliness, A‑grade fire resistance, moisture resistance, corrosion resistance, and modular fast installation. Supplied by SAMZOON with ISO certifications and 20,000㎡/day production capacity.