Main products: precision steel tube, precision bright tube, precision seamless steel pipe.
主营：精密钢管、精密光亮管、精密无缝钢管。
Precision measuring hot rolling seamless steel pipe on line is a new technology to enhance quality of steel pipe.
热轧无缝钢管在线精度测量是近年来为了提高无缝钢管质量采取的一项新技术。
The result of production shows that the control precision is high and the reliability is good in the steel-plastics composite pipe prodution line.
应用结果表明，研究的钢塑复合管生产线控制精确高，可靠性好。
Inner flat mirror face of stainless steel weld pipe of Hongyun is famous for precise size, property, surface sanitation and high precision.
“鸿运”不锈钢内整平镜面焊管以尺寸精良、性能、表面卫生精度高而著称。
Inner flat mirror face of stainless steel weld pipe of Hongyun is famous for precise size, property, surface sanitation and high precision.
“鸿运”不锈钢内整平镜面焊管以尺寸精良、性能、表面卫生精度高而著称。
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