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Yingli group among high-end seamless steel pipe market
Time2012-6-11 17:16:18

A few days ago, Yingli group succeed in the pressure test of Q125-API standard high grade oil casing. The success of new product production, marking the Yingli group become one of few companies which can produce high technology content, high added value of seamless steel pipe producs. Yingli group among high-end seamless steel pipe market.