... 3high precision 4OEM/ODM accepted 5ISO9001:2008 certificate Sintered security door lock parts in powder metallurgy Features: 1High density and good ... trimmer etc. 2 Sintered GearsGears, Sprockets, Helical Gears, Bevel gears, Double Gears, Spur gear, Curved gear, Rack gear, Circular gear, ... and 70% balance will be paid before shipment.For security reasons, we will only offer account with stamped or ...