1. good quality 2.ISO9001:2000 3.different needs from different customers MODELS AVAILABLE:KOMATSU,CATERPILLAR, HITACHI ,KATO, KOBELCO, MITUBISHI:D20,D21,D30,D31,D37,D50,D55,D60PL-18,D80A-18,D150A-1,D155A-1,D355A-3,PC200,PC300,PC400,PC650,EX200,EX220,EX300,EX400,EX700,EX1000,UH04,UH052,UH053,UH062,UH06DT,UH07,UH071,UH081,UH083,UH052,UH053,UH062,UH06DT,UH07,UH071,UH081,UH083,UH09,UH103UH123,UH14, ...