Extrawell Pharmaceutical Holdings Limited, an investment holding company, develops, manufactures, and sell of pharmaceutical products in the People's Republic of China and Hong Kong. The company manufactures transfer factor oral solution, a dual immune regulator for the treatment of diseases caused by virus infection and weak cellular immune system; Wisk for the treatment of II-III degree of radio-injury of skin, normal common burn, actinic dermatitis, various infectious ulcers, and oral ulcers, as well as for trauma and post operation wound healing; and ZhouBang, a thromboxane synthetase inhibitor to prevent the coagulation of platelets and facilitate relaxation of blood vessels. It is also involved in marketing and distribution of imported pharmaceutical products, including Skin-Cap for the treatment of itching, irritation, redness, and scaly skin issues; and Millibar for the treatment of high blood pressure. In addition, the company develops oral insulin product, which is in clinical trial stage for the treatment of diabetes. Further, the company engages in the provision of agency services and property investment business. Extrawell Pharmaceutical Holdings Limited was incorporated in 1998 and is headquartered in Quarry Bay, Hong Kong.