One of the best ways to order the products online easily and quickly is with the help of Order by SKU extension for Magento. It lets you add the items in the cart by their SKU.
Order by SKU extension is one of the most user friendly ways of adding the known products to cart. If you have got a printed brochure with you, you can just add the SKU and place the order in no time. You can add multiple products with the help of the CSV.
Note: We are no providing any kind of technical support here.