The Heavy tar calcium carbonate is selects the high quality pure white calcite is a raw material, undergoes the selection, the laundering, the air seasoning, thickly broken, broken, working procedure....
Shijiazhuang Eternal Building Materials Co. £  ¬ Ltd , lies in Lingshou County which belongs to Shijiazhuang City Hebei province, only 240km to Beijing, and 320km to Tianjin Port, so it is very....