Ningbo Tiankeng Machinery Manufacturing Limited Company is a diversified company, located in Meichi Industrial Area, Yunlong Town, Yinzhou District, Ningbo, covering an area of more than 5000 square m...

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Shandong eternal energy group co., LTD. The main light alloy, mining equipment, Internet, engineering machinery, such as import and export business in one of the diversified joint-stock enterprise gro...