Doosan invests 970 billion won in high-end CCL, its largest-ever expansion

Doosan is investing about 970 billion won (roughly $700 million) to expand output of high-end copper clad laminates (CCL) for AI accelerators, network switches, and optical modules. 420 billion won will go to a line in Korea, 550 billion to a new plant in China; production starts in phases from H2 2028.

• 970 billion won investment is Doosan's largest-ever CCL expansion
• 420 billion won for optical module line in Korea, 550 billion for China plant
• Production launch begins in the second half of 2028
• Doosan's electronic division revenue rose 86% to 1.9 trillion won in 2025