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1. Surface Finish Quality One of the significant drawbacks of sand casting is the surface finish quality. The coarse nature of sand can result in a rough surface texture on the final product, often necessitating additional finishing operations to achieve a smoother finish.

5. Customer Support and Communication Strong communication is key to any successful partnership. A supplier who is responsive, offers technical support, and engages in open dialogue will help streamline the manufacturing process. Ensure that they are willing to collaborate with you throughout the project, from design to production to delivery.