Qinhuangdao Tianye Tolian Heavy Industry Co., Ltd. is principally engaged in the research, development, manufacture and distribution of heavy equipment. The Company primarily provides shield tunneling machines, off-road self-discharging trucks, gantry cranes, transporting girder vehicles and transport equipment used in other areas. It also provides hydrogen fluoride (HF). The Company's products are primarily used in transportation, energy and mining industries, among others. The Company distributes its products within domestic market and to overseas markets.