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Common materials used for heat insulation roof sheets include polyurethane, polystyrene, and fiberglass, each offering different levels of insulation and durability
. The choice of material often depends on the specific climatic conditions, the building's design, and budget considerations.After stamping, the raw pieces undergo the painting process. Factory workers apply vibrant colors using techniques such as lithography, which allows for detailed and intricate designs to be printed directly onto the metal. These colorful patterns are important for attracting young consumers, making the tin cars appealing and engaging. Once painted, the cars are assembled, with various parts – like wheels and springs – being attached to give them life. The assembly line, a hallmark of modern manufacturing, allows for efficiency while still maintaining a level of craftsmanship that ensures quality.
tin plate toy cars factory
