登封市元豐磨料耐材廠
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棕剛(gang)(gang)(gang)玉、金剛(gang)(gang)(gang)砂、黑剛(gang)(gang)(gang)玉、白剛(gang)(gang)(gang)玉、碳化硅(gui)、核桃殼、石榴石、玉米芯、鐵砂
13598422581
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