... Making sintered metal parts for 20 years,1,500 kinds of powder metallurgy parts,TS16949,export to Europe,US,etc. ... Kingbell are one of the Designer, Manufacturer for Powder Metallurgy parts of following Items.1.) Types of Pistons, Foot Valves, ... Guide for Shock Absorber parts2.) Types of Gears / Pinion / Sprocket / Helical Gear etc. 3.) Garden Tools parts4.) Hardware Parts5.) Sewing Machine Parts6 ...