Sand Casting for Valves

Ningbo city yinzhou ruican machinery CO.,LTD. has more than 10 years experience for sand casting. Including mining industries, valves, auto parts, pumps etc.  Experience terms(sales person and technical workers) for good service(before sales service and after sales service)?We will design as per the customers drawings or samples.
The material includes ductile iron, gray iron, aluminum, bronze etc.
The surface treatment is including painting, polishing, heat treatment galvanization, anodize etc.
Complete machining, such as machining centre, CNC machining, lathe, milling machining, drilling, Hydraulic press etc.

We are a cast iron manufacturer specializing in Gray Iron and Ductile Iron Casting. We make casting using common sand and furan resin sand.