... for hotels, Condo, such as Stone Shower panel (tub Surround), Window Sill, threshold. These Material can be granite,marble,travertine,sandtone etc ... size etc ,also prefabricate them as per your drawing.And window sills have 4'', 5'' , 6'' or other size in width ... experience to prefabricate all kinds of Tub surround (shower panels, window sills ,thresholds ,or others) for your projects 2) We can ...