[金属制品业] [2017-12-06]
[金属制品业] [2017-12-06]
[金属制品业] [2017-12-06]
[金属制品业] [2017-12-06]
[金属制品业] [2017-12-06]
[金属制品业] [2017-12-06]
[金属制品业,汽车制造业] [2017-12-06]
[金属制品业,专用设备制造业] [2017-12-02]
Ultrasonic metal welding process is a widely used industrial technique that uses highfrequency ultrasonic vibrations. The vibrations are locally applied to the metals to create a solid-state of the weld between two metals. Ultrasonic metal welding process is used in industries where thermal conductive materials need to be welded.
[金属制品业] [2017-12-01]
根据BI 的供需模型,2018 年全球铜市场将维持相对平衡,但2019 年后精铜需求的增长可能超过精矿的供给速度,从2019 年开始供给赤字将出现并且不断扩大。全球铅市供应短缺14.20 万吨,精矿加工费持续低迷,铅锌维持高位震荡。锡供应收紧但冲击有限,预计锡价短期内仍将震荡运行,印尼镍矿出口逐步放量,预计镍价短期内上涨仍需拐点。
[金属制品业] [2017-12-01]
供给侧改革不断深化,钢铁行业“去产能”效果显著。截至2017 年6 月30 日,全国共关停、取缔地条钢生产企业620 家、合计产能约1.5 亿吨。截至2017 年10 月,钢铁行业全年5000 万吨产能削减任务已全部完成。