... 5ISO9001:2008 certificate Sintered best door safe lock parts in powder metallurgy Features: 1High density and good strength2Good abrasion ... steel, copper molybdenum steel, alloy.4. Production equipment:a. Hydraulic press with 200T, 160T, 100T, 60T, 50T, 25T, 20T, 10T ... , energy saving.7. Application: our products are widely used in garden tools, power tools, automobile, motorcycle, farm machinery, ...