长期以来,由于东北装备制造业以国有和国有控股经济为主,致使东北装备制造业出现了大中小型企业发展不协调、自我服务的封闭式产业链模式、与装备制造业密切相关的生产性服务业发展滞后等一系列问题,而引入非公有制经济投资、发展装备制造业是破解这些问题的关键,是东北装备制造业市场竞争力提高的必要条件。 For a long time, due to the domination of state-owned and state-controlled economy in northeast equipment manufacturing industry, there has been a closed industrial chain mode in which the development of small and medium-sized enterprises in the Northeast is inconsistent with self-service, and the manufacturing industry is closely related to equipment manufacturing The development of the equipment manufacturing industry is the key to solve these problems and is the necessary condition for the competitiveness of the equipment manufacturing industry in Northeast China to improve.