根据中央“国有经济要坚持有所为。有所不为，在行业布局上有进有退”的精神和黑龙江省实际，黑龙江省国有工业行业布局应予以调整。保住一批主要分三类：一是基础工业部门中投入大、周期长、回报率相对较低的产业，如大型的采掘业及煤气、自来水等公用事业；二是关系国家和社 According to the spirit of the central government’s “state-owned economy must persist in doing something. Something wrong, there are advances and declines in the layout of the industry,” and the reality of Heilongjiang Province, the layout of the state-owned industrial industry in Heilongjiang Province should be adjusted. There are three main categories to keep a batch: First, industries with large input, long cycle, and relatively low rate of return in the basic industrial sector, such as large-scale extractive industries and public utilities such as gas and tap water; second, relations between countries and society.