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cnbig68

Deephole Drilling/Boring/Honing

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Oil Tools
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Deephole Drilling/Boring/Honing
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Round Bar AISI 4140 Steel Pipe
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ASI 4130 Round BarI
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Alloy Round Bars
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GB Standard Alloy Round Bar
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EN/DIN Standard Alloy Round Bar
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ASTM/AISI Standard Alloy Round Bar
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BIG CO.,LTD

alloy steel pipe,4140 seamless pipe;4130 seamless tube;4140 round bar; 4130 round bar;Chromoly steel tube;Chromoly alloy pipes,Chromoly Tube,

Address: Tongzhou District,
Beijing, China
China, 101100

Tel: +86-010-52461208
Fax: +86-010-51406975

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