Measured by PPI, producer prices for crude oil, raw coal, ordinary medium rolled steel, and wire steel rose by 37.5%, 19.4%, 29.6%, 25.6% respectively over the same period of last year.

当月ppi中，从具体品种看，原油出厂价格同比上涨37.5%，原煤上涨19.4%，普通中型钢材上涨29.6%，线材上涨25.6%。

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To analyze every quality defeCts Of oil-tempered spring steel wire made in China, put forward appropriate improvement measures.

分析了国产油淬火-回火弹簧钢丝的各种质量缺陷，并提出了相应的改善措施。

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Our main products are steel wire weaving and wire spiral rubber hose, oil drilling pipe, oil and liquefied petroleum gas and special gas hose, sandblast pipe.

我公司主要产品有钢丝编织和钢丝缠绕胶管、石油钻探管，石油液化气及天然气专用胶管、喷沙管等。

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