... manufacturer 2. Powder metallurgy gear for electric tool 3. Quench in house Product NamePowder metallurgy gear for electric toolRaw MaterialsFe-Cu-C, MPIF FC ... holding time, Thickness of Fe3O4: 0.004-0.005mmApplicationPower tool, Electric tool, Angle grinder, Mower, Snowplow etc.ProcessingMixing powder——Forming——Sintering ...