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Product Name: OEM Cast Iron Manhole frame Sewer Manhole Cover Model NO.: iron cast Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008 Standard: AISI Surface Roughness: Ra6.3 Surface Treatment: Sand Blast Material: Steel Machining: CNC Machining Application: Auto Parts Sand Core Type: Resin Sand Core Casting Method: Thermal Gravity Casting Type: Clay Dry Sand Product Name: Sand Cast Iron Foundry Investment Casting Foundry Technology: Sand Casting Material Capacity: Stainless Steel, Iron Inspection: 100% QC Report: Provided Drawing: 2D or 3D Delivery: 25 Days Package: Wooden Case Trademark: OEM Transport Package: Wooden Package Specification: As requirement Origin: Qingdao, China Product Description Qingdao sand cast iron foundry investment casting foundry aluminum foundry Technical Parameter:Product NameOEM Cast Iron Manhole frame Sewer Manhole CoverTechnologysand castingMaterial capacitystainless steel, iron, aluminum, etcInspection100%QC ReportprovidedDrawing2D or 3DDelivery25 daysPackageWooden caseSand Casting FactoryOther OEM ProductsOur Company