Inquiry (采购产品): Double Insulated Stack Would like to know if your company can favricate a double insulated stack, 150' high, with the top 40' being 316SS. Some design work will be required. **** Hidden Message ***** Irvin Emerson 71107 Company: Berry Brothers General Contractors E-mail: i.w.emerson@bbgci.com **** Hidden Message ***** i.w.emerson@bbgci.com