中美合资的宣化——英格索兰矿山工程机械有限公司,引进了先进的美国凿岩机生产技术和设备,在加工DHD360冲击器气缸内孔倒角过程中,现有的工具无法加工,美国专家也被难住了。工长王多来经过刻苦钻研,制成了一种异型专用工具,巧妙地解决了这一难题。外方总经理爱德华·航非常高兴,亲自带领公司有关部门负责人到车间对王多来 Sino-U.S. joint venture Xuanhua – Ingersoll Rand Mine Construction Machinery Co., Ltd. introduced advanced drilling rig production technology and equipment from the United States. During the process of machining the borehole chamfer of the DHD360 impactor cylinder, the existing tools could not be processed. It was also stumped. The chief of staff, Wang Duo-lai, has been diligently researching and creating a special-shaped special tool that cleverly solves this problem. The foreign general manager Edward Air was very happy to personally lead the company’s relevant department head to the workshop to Wang Duolai