SEOUL -- Earnings at South Korean suppliers of chipmaking materials more than doubled over four years as Japanese restrictions on exports of vital supplies spurred chipmakers like Samsung Electronics to buy locally.
Profits double as Samsung and others pivot to domestic suppliers

South Korean President Yoon Suk Yeol is keeping his predecessor's policies to promote domestic supply chains. (Photo courtesy of South Korea's Presidential Office)
SEOUL -- Earnings at South Korean suppliers of chipmaking materials more than doubled over four years as Japanese restrictions on exports of vital supplies spurred chipmakers like Samsung Electronics to buy locally.