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Since the 1980s, China's carbon steel seamless pipe production technology and equipment level has be
Since the 1980s, China's carbon steel seamless pipe production technology and equipment level has been quickly2013-07-18
carbon steel seamless pipe manufacturing industry has been booming Development
carbon steel seamless pipe manufacturing industry has been booming Development2013-07-18
female design right tension reducing carbon steel seamless pipe within the six-party influence
female design right tension reducing carbon steel seamless pipe within the six-party influence2013-07-18
on access to high-quality carbon steel seamless pipe with heavy To significance.
on access to high-quality carbon steel seamless pipe with heavy To significance.2013-07-18
This pipe rolling mill after rolling carbon steel seamless pipe wall thickness uneven symmetry exist
This pipe rolling mill after rolling carbon steel seamless pipe wall thickness uneven symmetry exists2013-07-18
for automatic submerged arc carbon steel elbow on the large diameter welded steel pipe
for automatic submerged arc carbon steel elbow on the large diameter welded steel pipe2013-07-13
now the world has this forming carbon steel elbow unit of nearly 30 sets
now the world has this forming carbon steel elbow unit of nearly 30 sets2013-07-13
carbon steel elbow has four layers
carbon steel elbow has four layers2013-07-13
crbon steel elbow has advantages of corrosion-resistance
crbon steel elbow has advantages of corrosion-resistance2013-07-13
Eddy current testing is carried out according to GB7735 "SSAW steel pipe eddy current testing method
Eddy current testing is carried out according to GB7735 "SSAW steel pipe eddy current testing method2013-07-08
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