ALPHA specialized in producing the stone window sillss. We are use our nearby quarries output Shanxi black granite,Website:://.stonebronzeart.com,China black granite,dark grey etc colors for window sills.The surface and edge can be produce as required.Any questions please contact us freely.Product NameGranite window sillsDescriptionGranite window sills, Elegant, Luxury, Exquisite, fashionableMaterialNatural granite,marble, absolutely black grantie,dark grey granite,Stylegranite sills, stone sills, black granite sills,garden window sills, marble sillsUsageHome Decoration, Indoor, Hotel, houseSize:Customized sizes available.Main ColorsWhite, Beige, Black, GreyTechnicalMachine cutting,edging.MOQ100 PcPayment TermsAmount<8000USD,T/T 40% deposit in advance, Balance paid before shipment.Amount>8000USD,T/T 30% deposit in advance, Balance paid before see copy BL.PackingFumigated wooden crate for outer. Inner in Plastic and foam.Delivery time25-45 days after received deposit ,will adjust to order quantityMarkedWe can take orders according to photo or drawing from youPort of loadingMainly ship from Xingang Port, China.Shipping MethodSea/Railway /AirFreight CostThe freight cost can be offered as per your address. It depends on total weight and cube of the ordered item.RemarksAll the natural stones has little color difference.Alpha supply range of stone sill: marble sill, carved sill, stone sill, marble carved flower sill, classic marble sills, decorative stone sills.