Gan & Lee Pharmaceuticals., a biopharmaceutical company, engages in the research, development, production, and sale of insulin analog active pharmaceutical ingredients (APIs) and injections in China. Its products include Basalin, an insulin glargine injection; Prandilin, an insulin lispro injection; Prandilin 25, an insulin lispro mix 75/25 injection; Rapilin, an insulin aspart injection; Rapilin 30, an insulin aspart 30 injection; and Similin 30, a mixed protamine human insulin injection. The company also offers GanleePen, an insulin injection device; GanleeFine, an insulin pen needle; and other medical devices. The company was formerly known as Beijing Gan & Lee Biotechnology Co., Ltd.