111, Inc. engages in the provision of pharmaceutical products and medical services through online retail pharmacy and indirectly through offline pharmacy network. The company is headquartered in Shanghai, Shanghai. The company went IPO on 2018-09-12. The firm mainly operates its business through two segments. The Business to Customer (B2C) segment is engaged in the sale of pharmaceutical and other health and wellness products through 1 Medicine Marketplace, mobile apps, other online channels and offline pharmacies to consumers and certain enterprise customers. The Business to Business (B2B) segment is engaged in the sale of pharmaceutical products to pharmacies on 1 Pharmacy. The firm also provides customers with online consultation and electronic prescription services through the Internet hospital 1 Clinic. The Company’s products include drugs, nutritional supplements, medical supplies and devices and other products. The firm mainly conducts its business in the domestic market.