山东亿鑫钢管制造有限公司 钢管 管件 API钢管、精密钢管、石油管线管、无缝钢管、石油套管
 
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【Seamless Steel Tube】

 Small-calibre seamless steel tubes  Large-diameter seamless steel pipe  Thick-walled seamless steel tubes  Thin-walled seamless steel tubes 

【API Steel Tube】

 API5L of the oil pipeline  API5CT oil pipes 

【Precision Pipe】

 φ8-φ200Precision Pipe 

【Straight pipe joints】

 High-frequency ERW Pipe 

【Anti-wear-resistant composite plastic-steel pipe f】

 Anti-wear-resistant composite pipe corrosion 

【Spiral steel pipe】