Beijing Kawin Technology Share-Holding Co., Ltd. is a biopharmaceutical company that provides treatment solutions for viral and immune diseases in China and internationally. Its products include recombinant human interferon alfa-2b injection, interferon alfa-2b vaginal effervescent tablets, coblopasvir hydrochloride capsules, sofosbuvir tablets, peginterferon alfacon-2 injection, compound glycyrrhizin tablets, capsules and injections, and pirfenidone tablets for mild to moderate idiopathic pulmonary fibrosis. The company is also engaged in contract manufacturing and contract development and manufacturing, technology and biotechnology development and consulting, technology promotion and application, and wholesale of pharmaceuticals. Incorporated in 2008, it is based in Beijing, China.