Otto Co.,Ltd. is specialized at producing, developing, and selling the whole range of Excavator Parts, such as Alternators, Starters, Water Pumps, Cylinder Blocks, Cylinder Heads,Oil Coolers,Pistons & Piston Rings, Liners which are used as replacement of many types of machines, Brand for Komatsu, Caterpillar, Hitachi, Sumitomo, Volvo, KobelcoMission : OTTO Sells spare parts to all over the world.Vision: To be NO. 1 on excavator partsO-Open T-Target T-Team O-Opportunity