Walter Energy Inc., USA said in a statement on 12th of April (11th, local time) that its sales and production volumes of metallurgical coal in January - March in 2013 were about 2.8 million tons respectively. As compared with the prior quarter (October - December in 2012), the sales and production volumes were up by about 9% and about 12% respectively.
展开▼
机译：美国沃尔特能源公司（Walter Energy Inc.）在4月12日（当地时间11日）发表的一份声明中说，2013年1月至3月其冶金煤的销售和生产量分别约为280万吨。与上一季度（2012年10月至12月）相比，销量和产量分别增长了约9％和约12％。
展开▼
