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[ Manufacturer Trader ]Main business are Building machinery
[ Manufacturer ]Main business are Ultrahard material, Ultrahard product, Mechanical product.
[ Manufacturer Trader ]Main business are Artificial diamond, Diamond composition.
[ Manufacturer ]Main business are Diamond single crystal, Fine powder, Natural industry diamond, Diamond products, Grinding wheel, Diamond file, Grinding stick, metallic pen, Diamond carver.
[ Trader ]Main business are Electronic instrument and meter
[ Manufacturer ]Main business are Industrial artificial diamond and diamond micro powder.
[ Trader ]Main business are Tool
[ Manufacturer ]Main business are Stone materials, Ceramic, Diamond product.
[ Manufacturer Trader ]Main business are Diamond abrasive tool.
[ Manufacturer ]Main business are Diamond tools