Biosen Limited, incorporated in 2022 in Hong Kong, is engaged in the wholesale of pharmaceutical raw materials. The company has experience in international trade with countries such as Bangladesh, India, Uzbekistan, Brazil, and Pakistan. They have traded products including heterocyclic compounds, dried glands and other organs for organo-therapeutic uses, nucleic acids and their salts, polypeptide hormones, protein hormones and glycoprotein hormones, and separate chemically defined organic compounds.