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Hunan great steel pipe co.,ltd

Hunan great steel pipe was founded in 1978 and our enterprise is the predecessor of branch of China's oil pipeline and gas pipeline science research institute, as the most authoritative pipeline engineering research institute,consists of eight backbone institute and line pipe bureau postdoctoral research stations…

Junying Die Casting Mould Co., Ltd.

Since 2002, Junying Metal Manufacturing Corporation has already become a professional manufacturer, dedicated in zinc and aluminum die casting, mold making and design, tool parts, etc, widely used industry including auto, defense, hardware manufacturing, assembling, mining, agriculture, power, daily lives, etc.