we are professionla in supply steel casting parts for ball ... heat treatment,Removal,Trimming,drilling etc.Application: the products are widely used in the area of metallurgy, mine, power ... bed, wind electricity, astronautics, shipbuilding and so on. We can provide OEM Service for large cement equipment steel castings ... and so on.More than 20 years experience, we now have one set of 8 tons of electirc ...