Recently, a well-known mineral water plant in Foshan, Guangdong, has adopted propor sandwich panels for the construction and renovation of its factory, effectively enhancing the safety and efficiency of the production environment. Propor sandwich panels, with their lightweight, high strength, thermal insulation, and soundproofing advantages, are increasingly favored by many industries. The case study of this mineral water plant in Guangdong demonstrates the significant benefits of using propor sandwich panels for building projects.