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Tianjin tianyingtai steel pipe co., ltd. has many subsidiaries, is now in tianyingtai steel pipe co., ltd. for the production center, to tianjin huilai international trade co., ltd. to lead the international trade business, the production, sale, trade, warehousing, transportation ways to realize integration, internationalization, the co***ny focus on industrial development, set all kinds of steel pipes, structure and its supporting facilities of the production, processing and trade in one, a comprehensive b...
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