1) standard and material ASTM/ASME/GB/JIS/DIN/Q235/Q345/20#/25#/Q195/GB-8162.8163-87/GB 3091.3092-93 etc. 2) specification (outdiameter*thickness) 25*2.5/32*3/38*3 /203*6/219*6/245*12/273*12/299*10/377*9/ 377*12/426*11/630*10 And we dont
Address : Room 1511, No:518 ,West Yin’gao Road,Baoshan District,Shanghai
City : Karachi
Phone Number/s :