-
2021
September 2021Increased capital and shares to RMB 307.298955 million
Hunan Boyun New Materials Co., Ltd. (97.07%)
Bangxin Asset Management Co., Ltd. (2.93%) -
2018
March 2018Shareholder change
Hunan Boyun New Materials Co., Ltd. (85%)
Bangxin Asset Management Co., Ltd. (15%)
Registered capital of RMB 60 million
-
2009
December 2019Increased capital and shares to RMB 60 million
Hunan Boyun New Materials Co., Ltd. (69%)
Central South University Powder Metallurgy Engineering Research Center Co., Ltd.
Bangxin Asset Management Co., Ltd. (15%)
Mrs. Wu Enxi (1%) -
2007
May 2007Increased capital and shares to RMB 40 million
Hunan Boyun New Materials Co., Ltd. (53.5%)
Bangxin Asset Management Co., Ltd. (22.5%)
Central South University Powder Metallurgy Engineering Research Center Co., Ltd. (22.5%)
Mrs. Wu Enxi (1.5%) -
2005
August 2005Increased capital and shares to RMB 20.6 million
Hunan Yinzhou Co., Ltd. (43.7%)
Institute of Powder Metallurgy, Central South University of Technology (43.7%)
Hunan Boyun Oriental Powder Metallurgy Co., Ltd. (9.7%)
Mrs. Wu Enxi (2.9%) -
2003
May 2003The company changed its name to Hunan Boyun-Dongfang Powder Metallurgy Co., Ltd. -
2002
March 2002Shareholder Central South University Powder Metallurgy Research Institute changed its name to Central South University Powder Metallurgy Engineering Research Center Co., Ltd. -
2000
October 2000Increased capital and shares to RMB 20 million
Hunan Yinzhou Co., Ltd. (45%)
Institute of Powder Metallurgy, Central South University of Technology (45%)
Hunan Yinzhou Nonferrous Metals Union (7%)
Mrs. Wu Enxi (3%) -
1994
November 1994Registered capital of RMB 10 million
Hunan Yinzhou Co., Ltd. (80%)
Institute of Powder Metallurgy, Central South University of Technology (20%) -
1994
November 1994Hunan Yinzhou Nonferrous High-Tech Co., Ltd. was established
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2019
2019Extra Coarse-grained Cemented Carbide -
2018
2018Mold Material for New Energy Automotive Manufacturing -
2017
2017Nano Grain Size Cemeted Carbide -
2008
2008Carbide Rods,Special Cutting Tools,Preform Products etc. -
2004
2004High-performance Die & Mold Materials and Rolls -
2001
2001Carbide Die Material for Progressive Die -
1996
1996Carbide Die Material for Cold Stamping Die,Cold Punching Mold & Wire Drawing Die -
1995
1995Woodworking Cutting Tools
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