ruond sand casting ductile iron manhole cover and frame

1)Material:The part showed is made up of steel or ductile iron,anyway,we can do any metal parts,such as stainless steel,carbon steel,grey iron,ductile iron by vacuum casting,sand casting,lost foam casting or CNC machining

2)Weight:5-1000kgs
3)Process:sand casting,vacuum casting and lost foam casting

our advantage:

1) strong enginnering team make high quality

2) OEM service in casting

3) ISO9001:2000 quality control

4) all standard and special size are available with drawing

5) own test equipment and  professional casting mould development

6) perfect service

7) OEM supplier,we have a foundry and a machining shop.