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Grinm Advanced Materials Co., Ltd. ("GRIAM"), originally known as Grinm Semiconductor Materials Co., Ltd., and solely sponsored by General Research Institute for Nonferrous Metals ("GRINM") through fund raising, was established in March 1999 and listed on Shanghai Stock Exchange with a registered capital of 838.78 million RMB. The registered address is No. 43 of Bei San Huan Zhong Lu, Haidian District, Beijing.

Members

Grikin Advanced Materials Co., Ltd. mainly engaged in the R&D and manufacturing of microelectronics and optoelectronics film materials, biomedical materials, and precious metals materials.

Grirem Advanced Materials Co., Ltd. mainly engaged in the R&D and manufacturing of RE magnetic effect materials, RE luminescent materials, RE metals and alloys, RE compounds and other materials.

GRINM Guojing Advanced Materials Co., Ltd. mainly engaged in the R&D and manufacturing of Infrared optical and optical fiber materials.

GRIMED Medical (Beijing) Co.,Ltd. Specializes in the R&D production and sale of medical instruments

Shangdong GRINM Guojing Advanced Materials Co.,Ltd. is mainly engaged in the manufacturing, R&D and sales service of Infrared Optics and Laser Crystal Materials and Components, Optoelectronic Materials and Semiconductor Materials.