改革开放以来,国家采取了一系列搞活国营大中型企业的政策措施,使企业活力有所增强,但步履艰难。国营大中型企业绝大多数集中在关系国计民生的能源、重要原材料和大型、成套设备制造等行业,以重型结构为主、 Since the reform and opening up, the country has adopted a series of policies and measures to invigorate state-owned large and medium-sized enterprises, which has increased the vitality of enterprises, but has been difficult to follow. The vast majority of state-owned large and medium-sized enterprises are concentrated in energy, important raw materials and large-scale, complete sets of equipment manufacturing industries that are related to the national economy and people’s livelihood, and are mainly based on heavy-duty structures.