2Beijing General Research Institute of Mining & Metallurgy, Beijing .. junction of Yutian and Zunhua Counties had the maximum variation of
Beijing General Research Institute of Mining & Metallurgy(Hereafter referred to as BGRIMM), incorporated in China and directly under the Chinese central
Mining Engineering · Industy Explosives and Blasting Engineering · Mineral Processing · Extractive Metallurgy · BGRIMM Materials · Environmental Engineering
Institute of Machinery and BGRIMM Guan Machinery Co., Ltd. As a wholly owned subsidiary of Beijing General Research Institute of Mining and Metallurgy
Beijing General Research Institute of Mining and Metallurgy,Beijing,and Civil Engineering,China University of Mining and Technology(Beijing);;Split Hopkinson Pressure . ChineseCorps,Zunhua,He,China;3.
Zunhua District (modern Zunhua County, Hebei) lies aboutkm east of . in the border regions near Beijing, including Zunhua, used technology importedhe was given permission to bring in metallurgical experts (an lian zhi .. Qing dai de kuang ye (Sources on the mining industry in the Qing period).