Here is a detailed Request for Quotation Template that can be used to define your requirements in full details. Asking for quotations by publishing RFP (Request for Proposal) is really a professional way of asking vendors to send quotations. Despite of the simple projects, there might be projects that requires technical details to be communicated to the vendors for more accurate bids. In such situation, this Request for Quotation template can help you a lot and provide comprehensive means to specify your requirements at big depth. Since it is being created in MS Excel therefore you can specify details in tabular format as well.
Here is preview of Request for Quotation Template,
Here is download link,