seamless pipe,stainless steel pipe,carbon steel pipe,seamless steel pipe,gas cylinder" /> N-STEEL,China seamless pipe/tube manufacturer,our seamless pipe has PSI inspection,exported to france,switzerland,german,japan,ect." />
Partner of Inspection
In order to guaranty our export products' quality, we sincerely recommend word-class third-party inspection institution to have PSI inspection. We also welcome accept customer's more requirements or suggestions.
Third party Inspection we cooperate with:
| BV (France) | TÜV (German) | SGS (Switzerland) |
| MOODY (British) | COTECNA (Switzerland) | |
| ITS (British) | OMIC (Japan) |