LSAW Carbon Steel Pipe Process: Longitudinal .... L555 Mill Test Certificate: EN 10204/ 3.1B Hunan Standard Steel Co., Ltd Tel: 86-731-89878292 Fax: 0086-731-84788292 Mob: 0086-18123901489....
Hunan Standard Steel Pipe Co., Ltd was founded in 1989 and our enterprise is the predecessor of branch of China' s oil and gas pipeline science research institute, as the professional manufacturer of....
Seamless carbon steel pipe for liquid and .... tubes, and to transport liquid, gas, oil etc. Hunan Standard Steel Co., Ltd Tel: 86-731-89878292 Fax: 0086-731-84788292 Mob: 0086-18123901489 Skype: ....