Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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Established in 1990, hebei shengtian( group) seamless steel pipe Co, .Ltd.covers a land area of 85, 000 square meters with a fixed asset of 200 million Yuan.For many years, it has been devoted to....

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