Company History

历史沿革

June 2001 GT Semiconductor Materials Co., Ltd. was established.
January 2015 The company has completed the injection of new assets and has been renamed GRINM Semiconductor Materials Co., Ltd., with the General Research Institute for Nonferrous Metals serving as the sole shareholder.
January 2018 GRITEK has completed the mixed- ownership reform.
August 2018 The holding subsidiary Shandong GRINM Semiconductor Materials Co., Ltd. was established.
March 2020 The holding subsidiary Beijing GRITEK & IVT Technology Co., Ltd. was established to expand the Chinese market for high purity valve products.
March 2020 The equity subsidiary Shandong GRINM RS Semiconductor Materials Co., Ltd., was established to conduct research and development, production, and sales of 12 inch silicon wafers.
May 2021 GRITEK has completed its shareholding reform.
November 2022 GRITEK has completed its IPO and listed on the Science and Technology Innovation Board of the Shanghai Stock Exchange.
October 2023 GRITEK & IVT (Dezhou) Valve Technology Co., Ltd. was established.