- seamless steel pipe
- 2016-11-16 04:19
- HomeConstruction DecorationPipe FittingsSteelIron Pipes seamless steel pipeThreewaysteelco.,ltd.View this Supplier''s Cu
- ERW steel pipe
- 2016-10-26 03:30
- Quality Standard: ERW HFI , EFW,: GB/T3091 Welded steel pipe for low pressure liquid delivery GB/T9711 Petroleum and nat