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One of the primary advantages of tin lunch boxes is their durability. Unlike plastic alternatives, tin boxes are capable of withstanding significant wear and tear, making them ideal for daily use. They do not break, and their sturdy construction ensures that the contents remain intact during transportation. Additionally, tin is an excellent material for preserving food quality, as it is non-toxic and does not leach harmful chemicals into food, a concern often associated with plastics.
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The manufacturing process in custom galvanized iron coil factories generally involves several key steps. First, high-quality steel sheets are sourced, which serve as the base material. These sheets go through continuous hot-dip galvanization, where they are immersed in molten zinc. This process is crucial because it creates a strong metallurgical bond between the steel and the zinc, ensuring superior corrosion resistance.
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