Our calcium carbide plant was located in Tianjin since 2010,we relocated to Inner Mongolia after Tianjin port explosion in 2015,Now our new plant have more imporve  and advantage on cost,quality,output and shipping. Moreover,we have good selling for domestic steel plant,Below 15mm be sold to them for desulfurzation,in that way,we have no wastage in production,We have advantage on price,and we will not put dust or mixed small sizes into drums.