BK Holdings CO.,LTD. manufactures and sells semiconductor materials for semiconductor packaging in South Korea and China. Its products include solder balls, solder powder, solar paste, glass frit, and other electronic parts. The company was formerly known as Phoenix Materials Co.,Ltd. and changed its name to BK Holdings CO.,LTD. in March 2022. It was founded in 2000 and is headquartered in Gumi-si, South Korea.