The headquarters of Nin Jiom Medicine Manufactory (Hong Kong) Limited is located in Hong Kong. As one of the largest Chinese medicine manufacturers in Hong Kong, Nin Jiom is responsible for the production, management and worldwide marketing of Nin Jiom Pei Pa Koa. Its modern factory ensures utmost hygiene with state-of-the-art machineries and equipment of international standards, which includes a medicine preparation room, automatic filling and capping machines, and a quality control centre.