Our company are major in producing steel pipes with black coating or Zink coating which could be used on the oil surrounding.

The quality of pipes are severly inspected by our techinican, so we could ensure that

We could also produce different kinds of pipes which you need. The OD size from 21.3mm to 711mm , and the Length between 5m and 11.8m

The pipes through the ISO certificate 

The pipes grade could need the API /ASTM /ASME/DIN