主營：斗山DH420LC-7挖掘機駕駛室、斗山DH420LC-7行走馬達、斗山DH420LC-7液壓泵、斗山DH420LC-7主閥、斗山DH420LC-7回轉支撐、斗山DH420LC-7電腦板、斗山DH420LC-7顯示屏、斗山DH420LC-7挖機座椅、斗山DH420LC-7發動機四配套、斗山DH420LC-7大修包、斗山DH420LC-7液壓配件、斗山DH420LC-7溢流閥、斗山DH420LC-7操縱桿、斗山DH420LC-7修理包、斗山DH420LC-7缸套、斗山DH420LC-7活塞、斗山DH420LC-7大修包、斗山DH420LC-7大小瓦、斗山DH420LC-7止推片、斗山DH420LC-7凸輪軸、斗山DH420LC-7凸輪軸瓦、斗山DH420LC-7新舊缸體/缸蓋、斗山DH420LC-7曲軸、斗山DH420LC-7連桿、斗山DH420LC-7油門馬達、斗山DH420LC-7邊蓋、斗山DH420LC-7機油散熱器芯、斗山DH420LC-7主副炮、斗山DH420LC-7空調面板、斗山DH420LC-7全車側門、斗山DH420LC-7內飾件、斗山DH420LC-7機濾、斗山DH420LC-7液壓濾、斗山DH420LC-7啟動馬達、斗山DH420LC-7空調壓縮機總成、斗山DH420LC-7雨刷器總成、斗山DH420LC-7雨刷馬達總成、斗山DH420LC-7渦輪增壓器、斗山DH420LC-7電瓶箱、斗山DH420LC-7全車玻璃、斗山DH420LC-7發動機罩、斗山DH420LC-7液壓蓋、斗山DH420LC-7油散、斗山DH420LC-7水箱，斗山DH420LC-7發動機總成、斗山DH420LC-7挖斗、斗山DH420LC-7油缸，斗山DH420LC-7驅動齒、斗山DH420LC-7托帶輪、斗山DH420LC-7鏈條、斗山DH420LC-7履帶板、斗山DH420LC-7銷軸、襯套、斗山DH420LC-7引導輪、半軸、斗山DH420LC-7行走馬達總成、斗山DH420LC-7回轉馬達總成、多路閥總成、斗山DH420LC-7液壓泵總成、斗山DH420LC-7發動機總成、斗山DH420LC-7旋轉泵總成、斗山DH420LC-7行走減速機、斗山DH420LC-7行星齒輪、斗山DH420LC-7牙箱、斗山DH420LC-7軸承、斗山DH420LC-7分配閥、斗山DH420LC-7多路閥、斗山DH420LC-7泵膽、斗山DH420LC-7配油盤、斗山DH420LC-7缸體、斗山DH420LC-7柱塞、斗山DH420LC-7驅動軸/傳動軸、斗山DH420LC-7連軸器、斗山DH420LC-7回程盤、斗山DH420LC-7止推板、斗山DH420LC-7殼體、斗山DH420LC-7提升器、斗山DH420LC-7液壓油缸（鏟斗、動臂、斗桿油缸總成），缸體、缸蓋、油底殼、偏心軸、缸套組件、四配套、發動機大修件。