招标范围调整：原计划招标采购两矿矿井井下双齿辊式破碎机4台，现调整为采购葫芦素矿双齿辊式破碎机2台（取消门克庆煤矿双齿辊式破碎机2台），技术方案不变

Scope of bidding: Two sets of double tooth roll type crusher for Hulusu Mine(Cancel two sets of double tooth roll type crusher in Menkeqing Mine)

招标范围调整：原计划招标采购两矿矿井井下双齿辊式破碎机4台，现调整为采购葫芦素矿双齿辊式破碎机2台（取消门克庆煤矿双齿辊式破碎机2台），技术方案不变

Scope of bidding: Two sets of double tooth roll type crusher for Hulusu Mine(Cancel two sets of double tooth roll type crusher in Menkeqing Mine)