Inquiry Announcement for Copper Tube Repair of Contact Elements in Jiushi Calcium Carbide Work Area

[Tender Notice] Inquiry Announcement for Copper Tube Repair of Contact Elements in Jiushi Calcium Carbide Work Area Purchasing Unit: Baotou Dongyu New Material Co., Ltd. Region: Jiuyuan District, Baotou, Inner Mongolia Autonomous Region Published: 2026-08-18 Original Notice: https://srm.easthope.cn/oauth/public/default/source_notice_advance_detail.html?type=BR_ACCEPTED&from=ZBXX_HOME¬iceId=610665&sourceHeaderId=1074813&advanceNoticeId=612168&sourceFrom=RFX