... brand strategy. Our Product includes polycarbonate (PC) solid sheets, PC U-lock sheets, polycarbonate hollow sheets, greenhouse panels, advertising light box ... Hollow sheetSolid sheetTHICKNESS(MM)DBTHICKNESS(MM)DB4154274.516528618629819831102110321624123420262529U-SHAPED POLYCARBONATE HOLLOW SHEET:Polycarbonate U-lock sheet is an advanced construction system, its ...