Thinkon Semiconductor Jinzhou's (SHA:688233) unit, Beijing Zhongjingxin Technology, proposed to acquire the remaining stake it does not hold yet in Fujian Jinggong Semiconductor, according to a Wednesday disclosure on the Shanghai bourse.
The stake of about 20% will be bought from Shenzhen Rongju Dingxin Investment Partnership (Limited Partnership).
Jinggong Semiconductor manufactures semiconductors, ceramics, quartz, and metal materials.
After the transaction, Zhongjingxin's holding in Jinggong Semiconductor will rise to 100% from about 80%.
The semiconductor materials maker's shares dropped 4% at the close.