... Sprockets, Helical Gears, Bevel gears, Double Gears, Spur gear, Curved gear, Rack gear, Circular gear, Driving & driven gear, Medium ... professional powder metallurgy & aluminum die casting manufacturer.2. P/M process: mixing--compacting--sintering—heat treatment--resizing--cleaning-- ... ;b. 2 lines of high-temperature mesh belts furnace;c. 1 set of heat treatment furnaced. Other resizing machines like ...