The following specifications we are producing:

Cold drawn tubes 5mm-76mmX0.5mm-10mm
Cold rolled precision tubes 10mm-90mmX0.5mm-18mm

We execute international standards:

American standards: ASTMA53\A106\A179\A192\A199\A210\A213\A519

German standards: DIN17175\2391\2393\17121\DIN1629\DIN2440\DIN2441

European standards: EN10208\EN10216\EN10305/EN10255

Japanese standards: JIS-G3461\G3462\G3463\G3441\G3444\G3452\G3454,

British standards: BS3059\BS6323\BS7191\BS1717\BS6323

Our ERW tubes are:

ASTM A 53/A 500/A513,EN 10219 etc.

Our rectangle tubes, square tubes, elliptical tubes, non-standard tubes.

Our steel grades are:

ST 52.0, ST37.0, ST 35.8，ST37.4，ST52.3

T11, T22, P11, P22, SAE 1020, SAE 4130

34CrMo, 35CrMo, 30CrMo, 37Mn5 etc.