Cast Iron casting grey iron Couple HT200 HT250

Bcos we are OEM foundry, Pls provide us the details and information as followings:

1. We produce for you according to the technical CAD drawings provides by you.

2. The CAD drawings with details in casting+machining+surface;

3. What is the request quantity?

4. What is the applicable machines for the casting parts?

5. What the material you requested: Grey Iron or Ductile Iron.pls confirm:

Grey Iron: HT100,HT150,HT200,HT250,HT300,HT350

Or Ductile Iron:QT400,QT450,QT500,QT550,QT600,QT650,QT700.

6. Do you have special packing demands?

7. Do you have any other special requirement for the casting parts?