Zhejiang Wolwo Bio-Pharmaceutical Co., Ltd. engages in the research, development, manufacture, and sale of biopharmaceutical products. It focuses on providing treatment for allergic rhinitis and asthma caused by dust mites. The firm also offers dust mite drops, and dust mite skin prick diagnosis kits. The company was founded by Geng Xi Hu on September 19, 2002 and is headquartered in Huzhou, China.