Management (CRM): It is the purpose of the company to improve its core competitiveness, achieve competition and achieve rapid growth, and establish a customer-focused development strategy. Based on this, it includes the judgment, selection, procurement, development and maintenance of customers. All the business processes required are the work practices of the company focusing on customer relationships, conducting systematic customer research, optimizing corporate organizational systems and business processes, improving customer satisfaction and loyalty, and improving corporate efficiency and profitability;