Wawan said the new plant USES blastfurnace technology claimed to be low cost.
Wawan说这个新厂使用高炉技术降低成本。
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The pelletizing and lime technology based on using burning technology of the low heat value blastfurnace gas and the grate-kiln process is on the leading place in China.
It is urgently needed to overhaul two blast furnaces in GIS for their terminal campaign, damaged furnace-body, aged equipment, worse technical and economic index and low safety guarantee.