This article mentions about the existing problems of the old slagging off machine in No. 3 steel-making factory of Shougang;
概述了首钢第三炼钢厂原用扒渣机存在的问题；
Established in the middle of 1980s, Jubao is composed of Shenwen Shoe-making Machinery Factory and Jubao Machine co.
公司成立于80年代中，旗下包括：升文鞋业机械制造厂、聚宝机器有限公司。
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