由南昌有色冶金设计研究院设计的《铜化集团新桥矿业公司一期坑采延伸技改工程初步设计方案》近日通过有关专家的审查。新桥矿业公司一期坑采工程始建于1984年,1991年建成投产,设计规模60万t/a,开采对象为29线以西-230m至-180m中段之间的I号铜硫矿体,设计开采地质储量为860万t Nanchang Institute of Nonferrous Metallurgy Design by the “Copper Group Xinqiao Mining Company a pit extension of the technical transformation of the preliminary design program,” recently passed the review of experts. Xinqiao Mining Company a pit mining project was founded in 1984, put into operation in 1991, the design scale of 600,000 t / a, mining for the 29 line west of -230m to -180m intermediate I copper and sulfur ore body, Design and exploitation of geological reserves of 8.6 million t