This document is intended for wholesalers of equipment and devices, such as solar power generation systems, audio equipment, and housing equipment. This document describes the sales, procurement, and inventory management operations of an equipment wholesaler that handles solar power generation systems, audio equipment, and residential equipment. This document introduces examples of sales, procurement, and inventory management operations in the equipment wholesale industry, which handles solar power generation systems, audio equipment, and housing equipment. This document introduces a case study of sales, procurement, and inventory management operations in a wholesale equipment distributor that handles solar power generation systems, audio equipment, and residential equipment. Order to sales management including contract information such as construction and maintenance How did you solve these problems unique to the equipment wholesale business? We will introduce the case studies of each company in the form of "before/after". ◆Table of Contents Introduction 2. Business Case Introduction to HUE Classic SCM