... Co., Ltd. There are Administration Department, Human Resources Department, Marketing Department, Parts Department, Agent Department, Finance Department, Technical Service Department, and Storage & Transportation Department.We are the authorized general ... Sumitomo excavators; Shantui, Huanghe, Dadi, Yishan, Xuanhua, and Pengpu bulldozers; parts of construction and mining machinery; Cummins N, V, K, H ...