1. Do you have factory ?
   Answer: Yes, we have our own factory and have been engaged in steel pipe manufacturing for more than 11 years.

2. Surface Treatment: Do pipes need oiled if clients' wanted black/original surface?

    Answer: Generally pipes don't need to be oilded, but we are able to be customized.

3. Certificate of Origin: Can you provide us certificate of Origin?

   Answer: Yes, we could provide From-E, Form-F for example.

4. I've send the specification, why you couldn't provide a price for reference?

    Answer: Just sending pecification is not enough. Generally, we need specification(width, out diameter, wall thickness, length),  material, ends treatment, surface treatment, your quantity and other details.

5. How can I pay ?

    Answer :  L/C, T/T

6 How much would be the tolerance/deviation ?

    Answer   more or less 5%