Resin sand casting is to mix raw sand and resin to form resin sand, then put the resin sand into the mold cavity, and shaped by heating or catalyst method. Its surface is roughness, the size has high precision and good quality. Ningbo Fuerd Machinery co.,ltd is an OEM service provider for mechanical components, and is expert in die, investment and sand casting. Our products are widely used in automobile, medical, lighting, petroleum and electric industries.