After becoming an enterprise（1999-Present）
GRINM Semiconductor Materials Co., Ltd. (Gritek) was foundedand listed at Shanghai Stock Exchange (stock referred to as "GRITEK").
Guorui Electronic Materials Co., Ltd. was founded to produce compound semiconductor materials.
GRINM was registered as a corporate legal entity, run as a state-owned enterprise under the management of State-owned Assets Supervision and Administration Commission of the State Council (SASAC) .
Grikin Advanced Materials Co., Ltd. (Grikin) was founded
Beijing Guojing Infrared Optical Technology Co., Ltd was founded producing germanium materials.
Successful growth of the first 4 inch semi-insulating GaAsmonocrystal by VCZ method in China
The first trial running of electric vehicle powered by Ni/MH batteries between cities in China.
Original Potential Control Flotation (OPCF)won the first prizes of National Scientific and Technological Progress Award
Grirem Advanced Materials Co., Ltd. (Grirem) was founded focusing on producing rare earth and related materials.
Successful growth of the first 300mm silicon monocrystal in China.
Successful growth of 300mm Gemonocrystal
Successful growth of 380mm Ge polycrystalline.
GRIPM Advanced Materials Co., Ltd. was founded to produce a wide variety of nonferrous metal powders.
Beijing COMPO Advanced Technology Co., Ltd.,was founded, specializing in the research, production, marketing of solders and nonferrous materials.
“Biohydrometallurgy of low-grade copper sulfide ore” was granted with 1st prize of China nonferrous metals industry science and technology progress award. The technologies were applied in Zinjinshan copper mine and it is the first heap bioleaching-SX-EW plant built in China, treating copper ore of 0.38%, with annual production of 10,000t copper cathode.
The program co-developed with China Tin Group Co., Ltd. “Study on improving mineral processing technical and economic index forDachang refractory cassiteritepolymetallic sulfide ore” won Guangxi Science and Technology Special Contribution Award.
Successful demo running of Ni/MH stack as an auxiliary power battery for PEM fuel cell bus during 2008 Olympic Games.
Successful growth of the first 6 inch GaAsmonocrystal by VGF method in China.
“Integration and application of efficient utilization of Qaidam lead-zinc polymetallic resources and key technology of energy saving and emission reduction” won the 2nd prize of National Scientific and Technological Progress Award
Non-saponification extracting technology for rare earth separation won the 1st prize of China nonferrous metals industry science and technology progress award.
NdFeB strip casting flake technology was granted with 2nd prize of national invention award.
GRINM Electro-optic Materials Co., Ltd. was established by incorporating Beijing Guojing Infrared Optical Technology Co., Ltd and Guorui Electronic Materials Co., Ltd..
GRINM, as one of the initiators, participated in “The Electric Vehicle Industry Alliance” consisted of 16 Chinese central state-owned enterprises, assumed the task to build up the R&D base for the first class EV power batteries and the related materials.