Zhangjiagang Renaissance High-precission Steel Tube Co.Ltd -

Zhangjiagang Renaissance High-precission Steel Tube Co.Ltd

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bright annealing seamless steel tubes
Specification: OD 4-80,WT 0.5-90
Detail: The bright seamless steel pipes produced by our factory use high-quality carbon steel as raw materials.After cold drown and anaerobic oxygen annealing process,the tube's surface finish is well with high-precision and no oxide ...


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