... 4OEM/ODM accepted 5ISO9001:2008 certificate Powder metallurgy sintered all types of bearings for garden tools Features: 1High density and good ... 160T, 100T, 60T, 50T, 25T, 20T, 10T, 6T;b. 2 lines of high-temperature mesh belts furnace;c. 1 set ... machine, plating machine etc.5. All-round testing equipments: 2.5d profile projector, Rockwell hardness tester, Metallographic measuring instrument, gear ...