My business focuses on supplying products (and some services) to a few bluechip clients

The key points are as follows:

• It must be capable hosting our products and prices (3000 products)
• Manage our suppliers (approx 200)
• link multiple suppliers to products
• Manage my customers delivery sites
• create quotations
• create sales orders from quotations when approved
• auto create POs for my suppliers, (needs to create multiple POs from a SO, based on the formation of the original quotation
• GRN deliveries of good / services, (inc the ability to partial delivery)
• Create invoices
• Manage supplier payments
• Manage WIP and Debtors 
• Manage payment receipts