{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the mandatory fields that need to be specified during casting?","a":"The required fields to be filled in during casting include: casting name, casting material, casting process, mold type, gating system design, cooling system design, casting size and weight, production batch, etc. These  fields are necessary to ensure the smooth progress of the casting process and the stability of casting quality."}]}],"pr":"4d2f77be861a7cc466972078a0ef1cca6707570cb0452036c7a503a3522c103f"}