Essex Bio-Technology Ltd. is an investment holding company, which engages in the development, manufacture, and sale of biopharmaceutical products. The company employs 1,426 full-time employees The company went IPO on 2001-06-27. The firm operates its business through three segments. The Surgical segment is engaged in the development, manufacture and sale of Beifuji series products such as Beifuji spray, Beifuji lyophilized powder, Beifuxin gel and others. The Ophthalmology segment is engaged in the development, manufacture and sale of Beifuji series products such as Beifushu eye drops, Beifushu eye gel, Beifushu single-dose eye drops and others. The Provision of Services segment is engaged in the provision of healthtech e-platform related medical services.