we mainly do machining parts.With the continual development, the company has grown into an integration of precision casting,machining,metal surface treatment. We specialize in casting and machining of stainless steel,carbon steel,alloy steel and non-ferrous metal. The company has advanced technology and an experienced working team.We can provide process sevice from design, investment casting ,machining to surface treatment according to the drawings, samples or the special requirements of customers. contact:skype:dara1122 Email :dara@zhengdacast.com MSN:dara6688@hotmail.