1509, Block B, No.7,Dongqing Street, High-tech Zone Zhengzhou ?? 450000 China

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SF Diamond Co., Ltd. (SFD for short) has specialized in the research, manufacture and sales of polycrystalline diamond composite and related super-hard materials and products since its launch in 1997....

hongxingxilu38

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...