Standard:GB,JIS,BS,DIN.ANSI/ASTM,NF and Non standard,

Size:1/2"-48"(We can also produce other specification according to your requirment.)

Wall thickness:SCH5S-SCH160S.

Used for : petroleum,chemical,power,gas,water,linepipe, heat exchanger,shipbuilding,construction,etc.

Tolerance:not less than  +_8% of normal wall thickness.

Mill ceitificate :3.1B

Certificate of TUV

ISO certificate : ISO 9001:2000 and ISO 9001 :2008

Special equipment manufature license : manufacture license of special equipment of P.R.C.

Marking :according to client's requirement.

QC staff :10-15 .

Inspection :in-house and the third party.