... quality 4.OEM service Item NO. jig and fixture design for sand casting productsMaterialsIron, aluminum, steel, copper, plastic, ... shipment (detailed case can be discussed)Business scopeCNC center machining, drilling, turning, grinding, tapping, mould design and processing, ... painting, anodization, E-coating, powder-coating and so on;8, Package: usually the parts are packed with cartons , then use ...