We use the hot core boxes with resin sands to produce the sand cores, with the over 30 years foundry experimence from Taiwan, and the advanced equipments from German, United States, Japan and Taiwan, we produce all kinds of iron castings from 0.5Kg/pc to 60Kg/pc, material covers from Grey iron and dutile iron. The first molding line started production from Oct.1997, 2nd one from Jun,2001, 3rd one from Jan.2005, 4th one from Nov.2009, casting capacity 6,000 tons/month.