API 5L ERW steel pipe
The largest ERW&LSAW manufacturer in north China with API,CE,GOST ,ISO certifications.
annual output 800,000 tons
The largest ERW&LSAW manufacturer in north China with API,CE,GOST ,ISO certifications.
annual output 800,000 tons
Our SSAW pipes can be used as steel penstock for using in natural gas, chemical, electric power, heating power,water supply .