Total Solution I.C. Co., Ltd. Located in Zibo City Shandong Province, China. Specialized producing the items of Room inside Wall Departing system and Ceiling suspended system such as: Gypsum system( Gypsum board, Ceiling tile); Metal profile system (Studs and Trucks, channel, T-grid); Calcium Silicate system( Calcium silicate board, Cement board, Ceiling tile) etc.Hope that I can service to your esteem company for these items if have chance.