China's commercial space sector is developing rapidly. Yunnan Germanium Co., Ltd. (002428.SZ) plans to invest nearly 300 million yuan in a germanium wafer construction project for space solar cells.

Zhaoye Shenkai makes lithium tantalate and lithium niobate wafers that are used on wireless and satellite communications. It bought distressed wafer producers SunEdison in the US and Topsil in ...