standard:GB/T14975-2002 GB/T14976-2002 GB/T9948-88 , ASTM A213 ASTM A312M ASTM A511 ,EN10216-5,DIN 17458,JIS G3463 JIS G3459,product specification. OD6mm-530mm WT0.5mm-30mm
Company Profile
-
Business types
- steel pipe manufacturer
-
Markets
-
all world