Non‑standard Sleeve Base Steel Casting is produced by investment casting process. Available in carbon steel, alloy steel and stainless steel. Custom dimensions and structures are acceptable per customer drawings or samples. Secondary services including CNC machining, shot blasting and surface treatment are supported. Widely applied in engineering machinery, agricultural equipment and general mechanical assemblies. Stable dimensional tolerance, good mechanical property, reliable quality. We provide OEM & ODM custom service for various cast steel parts.