国外矿山机械发展概况和特点

国外矿山机械80年代以前已经发展到较完善程度。一些主要生产国都十分重视科研、开发与基础理论研究,有先进完善的试验手段,实现了高度专业化生产,产品有高的质量和竞争能力并有庞大完善的销售网络及售后服务,80年代后由于一些矿山关闭等原因行业巳呈现滑坡趋势。

Status and characteristics of development of mining machinery abroad

Before 1980' s the mining machinery industry abroad had developed to a perfect extent. Major machinery producing countries paid much attention to work of research and basic theory study and development with modern and complete test means, they possessed highly specialized production lines with competitive products of high quality and complete large marketing networks as well as after-sale service. However,since 1980's.the mining machinery industry abroad has witnessed a downward development tendency for some reasons such as mine operation closure.