The seamless pipe is produced as high additional value product.
无缝管担当起开发高技术高附加值产品的重任。
Seamless steel pipe, experts say this "ultimatum" approach, is the demand side is very excessive.
无缝钢管专家表示，这种“最后通牒”的方式，是对需求方非常过分的要求。
Recently, China was informed that the seamless steel pipe network.
中国无缝钢管网近日获悉。
Recently, China was informed that the seamless steel pipe network.
中国无缝钢管网近日获悉。
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