1.Model�?�?40-120mm, Length 2-6m 2. Scope�?Widely used in coal slurry, quartz sand, silica sand, bauxite and other metals, non-metallic mineral processing industry rod mill grinding material to use. 1)High Hardness 2)high impact value 3)low breakage 4)no deformation 3.Raw Material As we all know, the quality of product mainly depends on raw material, so our raw material is customized from the Chinese famous steel factory, which can guarantee the quality. 4.Testing Our lab is equipped with advanced testing machine to strictly control the quality of the product. 5.Package We bundle the finished products according to the customers' requirements, standardization identification, clean production enterprise certification.