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On December 29th,2007 Pingdingshan Coal Co.,Ltd.held a cer emony for the completion of its salt-making project in Yexian County,Henan province of central China.The project includes 3.0 million t/a salt mining and 1.2 million t/a vacuum salt making unit.Construction
On December 29th, 2007 Pingdingshan Coal Co., Ltd.held a cer emony for the completion of its salt-making project in Yexian County, Henan province of central China. The project includes 3.0 million t / a salt mining and 1.2 million t / a vacuum salt making unit. Construction