已投产的矿井,特别是中、老年矿井,发展多种经营集体经济,有许多成功的经验。尚未投产的筹建矿井,能否发展多种经营集体经济,应朝什么方向发展?笔者认为,筹建矿井期间发展多种经营集体经济是完全可行的,不仅会收到较好的经济效益,而且会促进矿井三类工程建设和加快现代化矿井建设的步伐。一、从筹建矿井的特点看发展多种经营集体经济的必要性以龙口矿务局梁家矿为例。该矿开工于 Has been put into operation in mines, especially in the elderly mine, the development of a variety of collective management economy, there are many successful experiences. In the process of establishing a mine, it is entirely feasible to develop a diversified economy in the collective economy, not only will it receive better economic benefits, but also will be able to develop a variety of operating collective-owned economy. Promote three types of mine construction and speed up the pace of modern mine construction. First, from the characteristics of the construction of mines to see the need for the development of a variety of collective economic management to Longkou Mining Bureau of Liangjiaga for example. The mine started in