1.undercarriage parts 2.Certification:ISO9001:2000 3.Guarantee:1year 4.export market:around world 1.undercarriage parts2.Certification:ISO9001:20003.Guarantee:1year4.export market:around worldOur company is mainly engaged in Komatsu D50, D60, D65, D80, D85, D155, D355 Series bulldozers; Komatsu PC60, PC200, PC210, PC220, PC270, PC300, PC360, PC400 excavator series; Komatsu WA320, WA380, WA420, ...