TSI

TSI makes the industrial mixing machines used in rechargeable battery manufacturing, specifically the equipment that blends the active materials, conductive agents, binders, and solvents needed to produce battery electrodes.

Battery makers are its primary customers, placing TSI in the upstream equipment layer of the rechargeable-battery supply chain. Listed on KOSDAQ, Korea's tech and small-cap board, the company earns the vast majority of its revenue from its mixing systems and related fabricated mixing products, which together account for nearly all consolidated sales.