... China, located in Jining which is vital construction machinery manufacture base. Company Products:Undercarriage parts: ... Air Compressor Engine parts: transmission, Cylinder Head, Cylinder Block, Turbocharger, Piston, Piston Ring, Metal, Crankshaft, filter, ... Motor, rotary motor, travel motor, Construction Machine: excavator, bulldozer, crawler crane, wheel loader, motor grader etc.Brands: Hitachi, ...