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GB/T9711.1 spiral carbon steel tube   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
inspection standards of steel structure welding,Suzhou welding processing,pipeline...   Two shielded welding, namely CO2 semi-automatic gas shielded welding process, is suitable for low...
CNY 1 ~ 1
per Kg
Guangzhou, CN
syncomleis from Luoyang Tuoqi Metal Products Co.,Ltd
Manufacture of API 5L spiral carbon steel pipe   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
Manufacture of API 5L spiral carbon steel pipes   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
inspection standards of steel structure welding,Suzhou welding processing,pipeline...   Two shielded welding, namely CO2 semi-automatic gas shielded welding process, is suitable for low...
CNY 1 ~ 1
per Kg
Guangzhou, CN
syncomleis from Luoyang Tuoqi Metal Products Co.,Ltd
Manufacture of API 5L spiral carbon steel tube   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
inspection standards of steel structure welding,buy weldment ,welded steel pipe...   Two shielded welding, namely CO2 semi-automatic gas shielded welding process, is suitable for low...
CNY 1 ~ 1
per Kg
Guangzhou, CN
syncomleis from Luoyang Tuoqi Metal Products Co.,Ltd
Manufacture of API 5L spiral carbon steel tubes   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
Manufacturer of GB/T9711.1 spiral carbon steel pipe   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
Manufacturer of GB/T9711.1 spiral carbon steel pipes   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
Manufacturer of GB/T9711.1 spiral carbon steel tube   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
Manufacturer of GB/T9711.1 spiral carbon steel tubes   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
inspection standards of steel structure welding,buy weldment ,pipeline welding...   Two shielded welding, namely CO2 semi-automatic gas shielded welding process, is suitable for low...
CNY 1 ~ 1
per Kg
Guangzhou, CN
syncomleis from Luoyang Tuoqi Metal Products Co.,Ltd
inspection standards of steel structure welding,buy weldment ,pipeline welding technical...   Two shielded welding, namely CO2 semi-automatic gas shielded welding process, is suitable for low...
CNY 1 ~ 1
per Kg
Guangzhou, CN
syncomleis from Luoyang Tuoqi Metal Products Co.,Ltd
Manufactuer of SY/T 5037 spiral steel pipes   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
inspection standards of steel structure welding,prepare welding procedure...   Two shielded welding, namely CO2 semi-automatic gas shielded welding process, is suitable for low...
CNY 1 ~ 1
per Kg
Guangzhou, CN
syncomleis from Luoyang Tuoqi Metal Products Co.,Ltd
Manufactuer of SY/T 5037 spiral steel pipe   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
Manufactuer of SY/T 5037 spiral steel tube   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
Manufactuer of SY/T 5037 spiral steel tubes   Spiral steel pipe: Yanshan Qianyi Pipe Industry Co.,Ltd supply steel pipes and pipe...
CNY 1 ~ 1
per Kg
Guangzhou, CN
edicts5713 from Yanshan Qianyi pipe Industry CO., LTD.
inspection standards of steel structure welding,prepare welding procedure...   Two shielded welding, namely CO2 semi-automatic gas shielded welding process, is suitable for low...
CNY 1 ~ 1
per Kg
Guangzhou, CN
syncomleis from Luoyang Tuoqi Metal Products Co.,Ltd