主營(yíng)：斗山DH300LC-7挖掘機(jī)駕駛室、斗山DH300LC-7行走馬達(dá)、斗山DH300LC-7液壓泵、斗山DH300LC-7主閥、斗山DH300LC-7回轉(zhuǎn)支撐、斗山DH300LC-7電腦板、斗山DH300LC-7顯示屏、斗山DH300LC-7挖機(jī)座椅、斗山DH300LC-7發(fā)動(dòng)機(jī)四配套、斗山DH300LC-7大修包、斗山DH300LC-7液壓配件、斗山DH300LC-7溢流閥、斗山DH300LC-7操縱桿、斗山DH300LC-7修理包、斗山DH300LC-7缸套、斗山DH300LC-7活塞、斗山DH300LC-7大修包、斗山DH300LC-7大小瓦、斗山DH300LC-7止推片、斗山DH300LC-7凸輪軸、斗山DH300LC-7凸輪軸瓦、斗山DH300LC-7新舊缸體/缸蓋、斗山DH300LC-7曲軸、斗山DH300LC-7連桿、斗山DH300LC-7油門(mén)馬達(dá)、斗山DH300LC-7邊蓋、斗山DH300LC-7機(jī)油散熱器芯、斗山DH300LC-7主副炮、斗山DH300LC-7空調(diào)面板、斗山DH300LC-7全車側(cè)門(mén)、斗山DH300LC-7內(nèi)飾件、斗山DH300LC-7機(jī)濾、斗山DH300LC-7液壓濾芯、斗山DH300LC-7啟動(dòng)馬達(dá)、斗山DH300LC-7空調(diào)壓縮機(jī)總成、斗山DH300LC-7雨刷器總成、斗山DH300LC-7雨刷馬達(dá)總成、斗山DH300LC-7渦輪增壓器、斗山DH300LC-7電瓶箱、斗山DH300LC-7全車玻璃、斗山DH300LC-7發(fā)動(dòng)機(jī)罩、斗山DH300LC-7液壓蓋、斗山DH300LC-7油散、斗山DH300LC-7水箱，斗山DH300LC-7發(fā)動(dòng)機(jī)總成、斗山DH300LC-7挖斗、斗山DH300LC-7油缸，斗山DH300LC-7驅(qū)動(dòng)齒、斗山DH300LC-7托帶輪、斗山DH300LC-7鏈條、斗山DH300LC-7履帶板、斗山DH300LC-7銷軸、襯套、斗山DH300LC-7引導(dǎo)輪、半軸、斗山DH300LC-7行走馬達(dá)總成、斗山DH300LC-7回轉(zhuǎn)馬達(dá)總成、斗山DH300LC-7多路閥總成、斗山DH300LC-7液壓泵總成、斗山DH300LC-7發(fā)動(dòng)機(jī)總成、斗山DH300LC-7旋轉(zhuǎn)泵總成、斗山DH300LC-7行走減速機(jī)、斗山DH300LC-7行星齒輪、斗山DH300LC-7牙箱、斗山DH300LC-7軸承、斗山DH300LC-7分配閥、斗山DH300LC-7多路閥、斗山DH300LC-7泵膽、斗山DH300LC-7配油盤(pán)、斗山DH300LC-7缸體、斗山DH300LC-7柱塞、斗山DH300LC-7驅(qū)動(dòng)軸/傳動(dòng)軸、斗山DH300LC-7連軸器、斗山DH300LC-7回程盤(pán)、斗山DH300LC-7止推板、斗山DH300LC-7殼體、斗山DH300LC-7提升器、斗山DH300LC-7液壓油缸（鏟斗、動(dòng)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(fā)動(dòng)機(jī)大修件。