Inquiry (采购产品): Custom Box Springs Can you provide a custom box springs for an antique twin bed in the following size: 35" x 74 x 7" What would be the cost (trade discount please) plus estimated shipping to Washington, DC (20016) and how long would it take. We are a residential interior design company. Trade Refernces and Accounts and Sales Tax Exempt can be provided. Thanks. **** Hidden Message ***** Christina Dutton 20016 Company: Christina Dutton Interiors E-mail: duttoninteriors@aol.com **** Hidden Message ***** duttoninteriors@aol.com