Хятад нунтаглах ган буудлагын үйлдвэр ба үйлдвэрлэгчид |Фэн Эрда
Model/Size: Product Detail: Alloy grinding steel shot is based on the highcarbon steel shot,lowcarbon steel shot,and low vanadium steel shot,considering the fatal weakness of the above products:air hole,cracks,hardness difference,develop the new products by reaserch the forging technol...