粉末冶金工藝制作，以金屬粉末為原料，如：鐵粉、銅粉、不銹鋼粉等，用成形—燒結(jié)法精制而成，傳統(tǒng)工藝流程：混粉—壓制—燒結(jié)—精整—后加工（浸油；包裝；機(jī)加工等）。

Gears of a variety of small motors, remote control cars and boats.  
       powder metallurgy process，based on metal powder such as iron, copper , stainless steel powder, refined with forming - sintering, traditional process: mixing powder - repression - Sintering - finishing - processing ( Dipping oils ; packaging ; machining, etc.)