... 5ISO9001:2008 certificate Internal door lock parts in powder metallurgy Features: 1High density and good strength2Good abrasion ... hedge trimmer etc. 2 Sintered GearsGears, Sprockets, Helical Gears, Bevel gears, Double Gears, Spur gear, Curved gear, Rack gear, Circular gear, ... motorcycle, farm machinery, home appliances, business and office equipments and many other fields.8. Supply ability: 2000tons/ ...