... 2008 certificate Powder metallurgy sintered oil bearing manufacturer with price list Features: 1High density and good ... requirements 5Improving dimensional precision 6Achieving required microstructure with various material selection7Supreme surface treatment 8Improving hardness ... copper molybdenum steel, alloy.4. Production equipment:a. Hydraulic press with 200T, 160T, 100T, 60T, 50T, 25T, 20T, ...