- zhengzhou saio superabrasives co., ltd.
- vitrified diamond wheel, vitrified grinding wheel, diamond bruting wheel, ceramic bond diamond wheel, jewellery tools, polycrystalline diamond, pcd blanks, pdd insert, pcd tool, pdc cutter, abrasive tool, pcd composite, pdc bit.
- Address:Zhengzhou, Henan, China
- eijing xlz diamond factory
- diamond cutting tools, pcd blanks, pcd wire drawing dies, stone carving engraving grinding tools, pdc cutter for oil drilling bit.
- Address:Beijing, Beijing, China