We sell helically bury arc welded steel Pipes; Big diameter Longitudinally-welded steel pipes.
Each lunar 50000mt.
Executive standard : API, ISO, JIS, DIN, ASTM, TOCT, GB/T, SY/T
Right now, we can produce various steel-pipes of 219--2520mm according to the GB9711, SY5036, ISO, JIS, DIN, ASTM, TOCT and API spec 5L stadards. Our products can be widely applied to water conservancy, electric power, petroleum, chemical industry, construction and other fields. With our superior facilities, rich technical resources, advanced processes, perfect test methods and effective quality-control system, we assure our customers first-class products. Our company had got the certificate of the use of API seal in 1997 and gained the ISO9002 Quality System Certificate by the Det Norske veritas in 1998. We have aiso been granted by China Trade Department the right to import and exports products, tree to export our various steel-pipes.