111, inc., through its subsidiaries, operates an integrated online and offline platform in the healthcare market in the people's republic of china. it operates through two segments, b2b and b2c. the company sells medical and wellness products through online retail, and wholesale and retail pharmacies, as well as provides value-added services, such as online consultation services and e-prescription services to consumers. its product portfolio comprises prescription and over-the counter drugs, such as western and traditional chinese medicinal drugs; nutritional supplements, such as vitamins and dietary products; contact lenses; medical supplies and devices, including bandages and thermometers; and personal care products, such as skin care, birth control, and sexual wellness products; and baby products. the company also operates an online marketplace where third-party sellers can directly sell to pharmacies; provides online loan application services to the clients of 1 drug mall, includin