We are boading bz coating flange factory.
We manufacture different carbon steel flange form dn10 to dn1000
1. Size: From dn10 to dn1000
2. Material: Carbon steel
3. Sdandard: ANSI, DIN, JIS, bs and customers' drawings for special use;
4. Types: So, bl, plate, thread, socket and etc;

Mor information is available upon receipt of your enquiry.
We can also provide electrostatic spraying!
I will give you the detail of my product if you need.