镁锭 99.9min 17500-17600 17500-17600 0 银川 出厂价 镁锭 99.9min 17600-17800 17600-17800 0 运城 出厂价 镁锭 99.9min 17700-18000 17700-18000 0 闻喜 出厂价 镁锭 99.9min 17600-17800 17600-17800 0 太原 出厂价 镁锭 99.9min 17300-17500 17300-17500 0 府谷 出厂价