An experienced foundry Expert gave a training for Machining & Casting [Xingtai, May 12, 2009] On May 12th, our company invited engineer Ma who is an experienced expert for foundry to come to give our business team a training of special technology for the interrelated knowledge and the noted issues in the practice ,the training refers to the raw material system (including the physical chemistry performence of grey iron,ductile iron and the steel), casting,machining and the heat treatment and so on for a day long.