Samsung Biologics labor dispute drags on as union stages another strike

Samsung Biologics' unionized workers staged another strike Friday, as wage and collective bargaining negotiations between labor and management have dragged on for more than six months. With global rivals moving quickly to expand their contract drug manufacturing capability, concerns are growing that the prolonged labor dispute could undermine Samsung Biologics' reputation as a reliable supplier capable of delivering the promised volumes of drugs on time. The Samsung Biologics labor union said it began its partial strike on Friday, without holding a separate rally. The strike is scheduled to continue for about three weeks, through Nov. 27. About 400 workers, or 10 percent of the union's roughly 4,000 members, are participating in the strike. They work in departments including quality control testing, quality assurance, logistics and production. Samsung Biologics’ labor and management declared a breakdown in their 2026 wage and collective bargaining negotiations in March, prompting the union to stage a partial strike in April, the first since the company was established in 2011. The union