Go to Purchase >> Purchase >> Request for Quotations. Click [Create] (If there is confirmed purchase price agreement with suppliers, this step can be skipped and you can create Purchase Order directly: Purchase >> Purchase >> Purchase Orders)
Choose the supplier and click [Add a line] to add required products
Input quantity for each product
After completing all required information, click [Save] then [Send by Email] to send this request for quotation to supplier email address
.