OEM Ductile Iron Manhole Cover factory1.Material:Gray Iron, Ductile Iron, Malleableiron;
2.Process:Green sand & Resin sand &Precoated sand;
3.Finish:Antirust oil, Plating, Paint, Powder Coating, etc…;
4.Weight:0.03 - 500 Kg;
5.Years of experience inmanufacturing and exporting.
6. All sorts of casting can be manufacturedaccording to customer's requirement, drawing, designor samples;
7. The coordinated service (casting, machining and surface treatment) makelower pricepossible;
8.Strong engineering teammakes high quality;
9. Full material testing process andquality controlsystem;
10.On timedelivery;
11.OEM & ISO;