This casting is one part of the pump,it used for some country and some place,the detaile documents please see below

 1.material------the gray casting iron,or nodular cast iron

2.Chemical composition-----include the C,Cu,Me,Re....ect.

3.moulding------we make the mould ourself

4.foundry------we have our own foundry

5.machining------we have our machine factory

6.export------we have the right to freedom of exports

7.package------we used the plywood-box

8.payment------we used the T/T

9.delivery deadlines------we often need 90 days

10.after-sales service-------we have the quality service of our customs