... Fireproof 5)Zinc Coated:80g-275g PRANCE BUILDING MATERIAL CO.,LTD is a leading professional manufacturer of ceiling and drywall partition ... ,It also helps us to gain more projects, like government office ,hospital ,school, commercial building, airport, metro. 3.Galvanized Steel of ... now.Mob: 86-13923202008 (Mr.Edmond)PRANCE BUILDING MATERIAL CO.,LTD.http://www.fsprance.com Office wall partition system