有色金属工业十二个大型施工企业,多种经营是从1984年开始的。几年来,有了较大的发展,取得了可喜的成绩。据统计,1990年,从业人数为施工总人数的12％,完成年产值为施工生产总值的14％,利润高出施工的利润一倍多,劳动生产率也比施工的劳动生产率高出20％强。目前多种经营的经营开发状况如下:以经济结构分类,大致可分为三种类型。就其经济成分来说,有全民的,有一厂两制的,也有集体的。1.独立企业型:一切生产经营计划与销售,独立自主,自负盈亏,因陋就简,艰苦创 The 12 large-scale construction companies in the non-ferrous metals industry started their diversification operations in 1984. Over the past few years, with great development, we have made gratifying achievements. According to statistics, in 1990, the number of employees was 12% of the total construction, the annual production value was 14% of the gross construction value, the profits were more than double the profits of construction, and the labor productivity was also 20% higher than the construction labor productivity. Strong. At present, the operating conditions of diversified operations are as follows: Classifications based on economic structure can be roughly divided into three types. In terms of its economic composition, there are all people, one factory, two systems, and collectives. 1. Independent company type: All production and business plan and sales, independent, self-financing, due to simplicity, hard innovation