OEM/ODM Metal Sand Casting Heavy Duty Sewer Manhole Covers C250 D400 Ductile Iron Manhole Covers
Manhole cover frame, Ductile iron casting manhole cover with frame, En 124 rectangle ductile casting iron Manhole cover with frame, casting mahole cover and frame, iron culvert mahole cover, heavy duty ductile iron manhole cover, manhole cover, cover with frame, manhole grating, manhole grids, ductile iron manhole cover, iron cover, well manhole cover frame.
<Material Range> |
Cast iron,Aluminum Alloy,Brass,Carbon Steel ,Alloy Steel,Stainless Steel |
<Weight> |
From 50 grams to 1500 kilograms (Depending on the actual design) |
<Second Operation> |
CNC Machining,Grinding,Turning,Drilling,Milling,Threading etc. |
<Available Finish> |
Polishing,Zinc Plating ,Chrome Plating,Polished Brass,Nickel Plating,Electrophoresis,Dichromate,Vibratory Milling & Electropolish,Powder Coating,Painting, Anodization ,Phosphating |
<Heat Treatment> |
Annealing/Tempering/Carbonitriding/Normalizing/Nitriding/Carburizing/Induction Hardening |
It will be highly appreciated if you could send us detailed design drawings, specifications, quality requirements, or actual samples. We will provide you not only the most satisfactory processing service but also very competitive price.





1) Are you a factory or trade company?
We have three factory located in Cangzhou city home of casting and one trade company located in Shijiazhuang capital of Hebei province, specialize in casting and machining processing.Welcome to visit our factory .
2) What about your quality?
All of our products have good quality. Each casting is processed through our QC staff with inspection records for every shipment. To guarantee the correct material specification and right mechanical properties, we have chemical analysis equipment, hardness tester, and tensile strength machine.
3) What is your payment term?
For mold: 50% pay in advance, remaining pay after sample approval
Products: 30% pay in advance, 70% against copy of bill of lading OR 100% L/C
4) How long can you make your quotation?
After receiving detailed information, we will quote within 2 working days.
5) What is your quotation element?
Design drawing, material, weight and quantity.
6) Do you accept the 3D drawings?
We accept both 2D and 3D drawings. Software for specification drawings: PDF, Auto CAD, Solid work, JPG, ProE etc.
If you have any other question or need any help, please feel free to contact us.