Inquiry (采购产品): steel beams and floor joists Do you sell steel for constructing flooring and roofing frames? If so, please send product catalog to: 214 Wilson Hall Dr. Madison, AL 35757 **** Hidden Message ***** Daniel Brown 35757 Company: Optosensors Technology, Inc. E-mail: banjo5pkr@earthlink.net **** Hidden Message ***** banjo5pkr@earthlink.net