1. Sales and distribution: As the sales and distribution center of pharmaceutical companies, the resident business office sells and supplies drugs and medical devices to customers such as hospitals, pharmacies and clinics in the region.

2. Customer service: The resident business hall provides services such as customer consultation, order processing and product information inquiry. Meet the needs of customers and establish a good cooperative relationship.

3. Clinical support: Some on-site outlets also provide clinical support and training, promote new products, provide use guidance, answer professional questions, and help medical staff better understand and apply related products.