iPurchase is fully functional on any computer with an email address and a web-browser. All purchasing information is fully validated by your ERP system; and full integration with your suppliers system will provide numerous benefits. For your purposes you can easily combine multiple items from multiple suppliers for each requisition, and require all requisitions to pass financial and functional approvals before they are converted into POs. This product allows you to store an internal catalog of your suppliers catalogs.
"Web-based Purchasing Management" is part of the iPurchase line of products, developed by ISS Group.