Dongwon Parts rose to 37,500 won, up 41.51% from its 26,500-won offering price, at 10:18 a.m. on Nov. 10, its first day on the KOSDAQ market. The stock earlier reached 57,300 won, or 116.23% above the offering price, before paring gains. The South Korean company makes precision components for front-end semiconductor equipment used in etching, deposition, cleaning and ion implantation, including showerheads and chamber components. Lam Research accounted for 45.9% of first-half revenue, followed by Semes at 33.4% and Axcelis at 8.1%. Revenue through the third quarter reached 100.2 billion won and operating profit 22.4 billion won, exceeding the previous full-year figures. The company plans to build a seventh plant in Incheon, expand facilities, repay borrowings and pursue higher-margin components, customer diversification, aviation MRO and metal 3D printing.