On September 18, it was reported that South Korea's Doosan Group plans to invest 970 billion won to expand production of “copper-clad plates,” the core material for AI semiconductors. Doosan plans to first invest 420 billion won in Korea to expand the CCL production line for optical modules. The company plans to expand one of the production lines currently in operation at Iksan Gimdae in Jeonbuk, Jeungpyeong in Chungbuk, and Gimcheon in Gyeongbuk. Additionally, Doosan will invest 550 billion won to build another CCL production plant for AI accelerators and network switches in China. The company plans to increase production at expanded plants in Korea and China from 2028.

On September 18, it was reported that South Korea's Doosan Group plans to invest 970 billion won to expand production of “copper-clad plates,” the core material for AI semiconductors. Doosan plans to first invest 420 billion won in Korea to expand the CCL production line for optical modules. The company plans to expand one of the production lines currently in operation at Iksan Gimdae in Jeonbuk, Jeungpyeong in Chungbuk, and Gimcheon in Gyeongbuk. Additionally, Doosan will invest 550 billion won to build another CCL production plant for AI accelerators and network switches in China. The company plans to increase production at expanded plants in Korea and China from 2028.