QG刮刮乐

 
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RE Chemicals
RE Metals and Alloys
Magnetic Materials
Luminescent Materials
Other nonferrous metal materials
Grirem Advanced Materials Co.,Ltd.(hereinafter referred to as “Grirem”) was founded after an entire restructuring to National Engineering Research Center for Rare Earth Materials(hereinafter referred to as “CREM”) as a joint-stock company in 2001, with Grinm group Co., Ltd. ( previous General Research Institute for Non-ferrous Metals, hereinafter referred to as “GRINM”) as the main sponsor. [More]

2019

High performance anisotropic bonded magnets started mass production.

2018

High purity rare earth metal sputtering targets (4N) were successfully developed.

​2017

Cerium zirconium composite oxide（OSC）was achieved commercialized production for National V standards of catalyst for automobile exhaust purification.High purity Tb and Dy metal targets used in high coercivity sintered NdFeB were successfully developed.

2016

The integrated technology of green and efficient leaching extraction of ionic rare earth ore  was successfully developed.High purity rare earth halide and its rare earth halide scintillation crystal was successfully developed.

2014

The absolute purity of all series of rare earth metals (except Pm) reaches or exceeds 99.99%.Fluoride red powder for white LED was industrialized.

2013

Rare-earth supermagnetostrictive rod in the largest diameter （φ100mm）was successfully developed.The new process of extraction and purification of rare earth with low carbon, low salt and no ammonia nitrogen was successfully developed.

2016

The integrated technology of green and efficient leaching extraction of ionic rare earth ore  was successfully developed.High purity rare earth halide and its rare earth halide scintillation crystal was successfully developed.

2012

Isotropic SmFeN adhesive permanent magnetic powder was successfully developed.

2008

High performance nitride fluorescent powder for white LED was successfully developed.

2005

Industrialization process and equipments of NdFeB strip casting flake was successfully developed.Rare earth non-saponification extraction technology was successfully developed.Aluminate fluorescent powder for white LED was industrialized.

2001

The process of solution electrolysis reduction to prepare high purity europium oxide  was successfully developed.

1999

Industrialization technology of high purity rare earth metal was successfully developed.

1996

Compound metal halide pills  were industrialized.

1989

The process of metal thermal reduction and intermediate alloy distillation to prepare rare earth metals was successfully developed.

1988

The process of P507 extraction resins to prepare high purity rare earth oxides  was successfully developed.

1987

Metallurgy and separation of baotou rare earth ore with third generation of acid method was industrialized.

1985

The process of extraction and separation of rare earth with P507-HCl system was successfully developed.

1978

Rare earth phosphors for color TV was successfully developed.

1977

Industrialization technology of samarium cobalt permanent-magnet material was successfully developed.

1976

The high purity yttrium oxide of 99.999% was scally produced by ion exchange method.

1966

The process of extraction and separation with P350 to make 99.99% lutetium oxide was successfully developed.

1962

Sixteen single rare earth metals and oxides were firstly made.

The process of zinc powder reduction and alkalinity method to produce high purity europium oxide was successfully developed.

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