... running,easy operation,and high efficiency,automatic knife grinding. CZD-3D auto-sharpening cutting machine is available to cutting materials such ... cotton, woolens, linen, silk, chemical fiber and leather, etc.CZD-3D have special power testing system having feature concentrated lubrication, neat ... 8"/10"/12"/13"2800/3400 R/MIN15 KGS CZD-3D Straight Knife Cloth Cutting Machine With Power Test System/ ...