Zaozhuang in Shandong Province, Jiangsu Xuzhou, Tatun, Liaoning Fushun, iron law, such as Shaanxi Tongchuan nearly 40 more than the coal producers.

省外的山东枣庄，江苏徐州、大屯，辽宁抚顺、铁法，陕西铜川等近四十多家煤炭生产企业。

youdao

Zaozhuang in Shandong Province, Jiangsu Xuzhou, Tatun, Liaoning Fushun, iron law, such as Shaanxi Tongchuan nearly 40 more than the coal producers.

省外的山东枣庄，江苏徐州、大屯，辽宁抚顺、铁法，陕西铜川等近四十多家煤炭生产企业。

youdao