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A335 P91Seamless steel tube
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A335 P22Thermal expansion Seamless steel tube1270
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A335 P5 Seamless steel tube
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Alloy steel tub
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Alloy steel tub
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Alloy steel tub
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A335 P11 Seamless steel tube
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A335 P11 Seamless steel tube
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1Cr5Mo Seamless steel tube
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A335 P91 Seamless steel tube
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A335 P92 seamless steel pipe
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GB6479 Q345E
Copyright: China Hongcheng Pipe Industry Co., Ltd
All Rights Reserved "The People's Republic of China Telecommunications and Information Service Industry Business License"
Copyright: China Hongcheng Pipe Industry Co., Ltd
All Rights Reserved "The People's Republic of China Telecommunications and Information Service Industry Business License"
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