重冶情报网铜组于今年11月9日至14日在上海冶炼厂召开了“杂铜处理经验交流会”,有35个工厂和科研设计院所参加了会议。其中处理杂铜的工厂有21家;国家物资总局也派人参加了会议。会议收到交流的资料30种、100多篇、共2019份。有19个单位共24人在大会上 Heavy Metallurgical Information Network Copper Group November 9 this year to 14 held in Shanghai Smelter “miscellaneous copper processing experience exchange meeting”, 35 factories and research institutes attended the meeting. Among them there are 21 factories dealing with miscellaneous copper; the State Administration of Supply and Marketing also sent people to the meeting. The meeting received 30 kinds of exchange of information, more than 100 articles, a total of 2019 copies. A total of 19 units a total of 24 people in the General Assembly