我国95％左右为中小型铸造车间(厂),而除少数(约5％)的厂生产批量较大外,绝大多数为小批量的厂点。通过关、停、并、转,逐步实现专业化生产。这从先进国家的发展进程来看,也是在较长的时间才能逐步实现。旧的中小厂有些消失了,新的又另外出现,目前我国农村中中小企业不断发展,使中小厂点有增 About 95% of our country is small and medium-sized foundry (factory), while most of them are small-batch factories except for a few (about 5%) factories which produce large quantities. Through the customs, stop, and, turn, and gradually achieve specialized production. From the perspective of the progress of advanced countries, it can take a long time to realize this step by step. Some of the old small and medium-sized factories have disappeared, and new ones have appeared in addition. At present, the continuous development of small and medium-sized enterprises in rural areas in our country has made small and medium-sized factories