... and CNC machining parts weighs from 0.5 KG to 5 tons,we also can provide precision CNC machining Weifang Rainbow Machinery Co.,Ltd ... resistant steel,carbon steel,alloy steel,nonferrous alloys and other customized materials,using the world's advanced precision casting ... such as automobile industry,rail industry,marine equipments,construction equipments,food machinery,etc.Nearly 90% of our products are ...