Sam Chun Dang Pharm. Co., Ltd manufactures and markets ethical drugs and over-the-counter pharmaceuticals primarily in South Korea, with exporting activities to international markets including the United States and Europe. Founded on December 29, 1943 and headquartered at 351 Hyoryeong-ro, Seocho-gu, Seoul, South Korea, the company specializes in therapeutic areas such as ophthalmology including its aflibercept biosimilar SCD411; cardiovascular; endocrinology; antibacterial; anti-fungal; antiviral; respiratory including stimulants and pneumonia diagnostic devices; anti-inflammatory; antihistamine; musculoskeletal; vitamins; and gastro-intestinal products. It employs approximately 392 to 410 people and operates production facilities supporting its domestic sales network and global exports. Recent developments include receiving KRW 29.5419 billion in funding from investors such as Pureun Investment Inc. and Shinhan Investment & Securities Co., Ltd; expansion of SCD411 supply and sales contracts to additional European countries including France in 2025 alongside prior deals covering the United States and seven other nations for this Eylea biosimilar; and securing European Medicines Agency marketing authorization for its aflibercept biosimilar in August 2025, positioning it as a potential first-to-market pre-filled syringe option in the region.