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Q1: What is the after-sales handling plan for the occurrence of air holes in the cast iron parts after processing?

1: Quick response and information collection.

2: Accurate determination of the cause of the defect.

3: Quality traceability and process optimization.

4: Subsequent preventive measures

Q2: What are the advantages of the coated sand process in iron casting?

1: Smaller surface roughness.

2: Suitable for producing complex-structured castings.

3 : The lifespan is extremely long, and it can typically produce at least 1 million products.