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About ningbo donglian mechanical seal co.,ltd.: |
Dyseals is a National High-tech enterprise with Provincial Research and Development1.jpg Center with advanced management: ERP systems and remote operation. Products: mechanical seals, mechanical seal rings, shafts and bushes/sleeves in ssic, sic, ceramic, tungsten carbide and carbon, bullet-proof plates and body armours in ssic, sic, ceramic and boron carbide. |