Gongwin Biopharm Holdings Co., Ltd. (6617.TWO) is a Cayman Islands-incorporated, Taiwan-based clinical-stage biopharmaceutical company that develops novel anti-cancer drugs utilizing its proprietary MITTA (Minimally Invasive Targeted Tumor Ablation) technology, which involves intratumoral injection of para-toluenesulfonamide (PTS) for treating focal solid tumors with high selectivity for cancer cells and minimal damage to healthy tissue; core pipeline products include PTS302 (Purocenta®), approved by China's NMPA in 2023 and newly listed in the Chinese Pharmacopeia for severe malignant airway obstructions in non-small cell lung cancer following Phase III trials, PTS100 in Phase II for hepatocellular carcinoma, PTS-02 for tracheal adenoid cystic carcinoma (with U.S. orphan drug designation), PTS500 for malignant pleural effusion, and GWA-103 for canine melanoma (with field trials approved in Taiwan in 2022 and IND submitted in 2024); the company also pursues veterinary applications and conducts R&D in pharmaceutical testing, biotechnology services, and technology transfer across Taiwan, mainland China, and the U.S. Founded in 2014 with headquarters at No. 80, Jianguo North Road, Taipei, Taiwan, Gongwin operates GMP-certified R&D centers including its 2020-opened facility in New Taipei Industrial Park and maintains cooperative relationships with over 120 institutes in 15+ countries targeting human and companion animal oncology. Recent developments encompass its June 2024 initial public offering on the Taipei Exchange, participation in key 2025 events such as BIO Partnering at JPM Week, APCB Taipei, and ASCO presentations on PTS for malignant pleural effusions, alongside ongoing U.S. regulatory advancements stemming from 1994 PTS discovery and 2004 FDA IND approval, and expansion of canine neurotendinoma and melanoma programs with 2022 MUMS approvals.