Zhejiang, China (Mainland)
ISO 9001 TS16949 ISO 14001
ASTM A513-2007, DIN 2391, DIN EN 10305, GB/T 3639-2000
10#-45#, ST35-ST52
10#, 20#, 45#, ST35, St35.4, St35.8, St37, St37-2, ST37.4, St52, St52.4
12 - 128 mm
Non-secondary
Mechanical purpose
Black Phosphate Finish
Hydraulic Seamless Tube
precision seamless steel tube