ESSEX BIO-TECH (01061) announced that the company's indirect subsidiary, Guangdong Hanfeng Baisheng Pharmaceutical Co., Ltd., has obtained approval from the National Medical Products Administration for the registration and commercialization of multi-dose sodium hyaluronate eye drops (0.3%) within the People's Republic of China. The approved product is a multi-dose eye drop containing 0.3% (5ml:15mg) sodium hyaluronate, indicated for the treatment and relief of various endogenous eye diseases, exogenous eye diseases, and damage caused by surgery, medication, trauma, or contact lens wear.