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metal lunch boxes for adults manufacturers

2025-08-16 05:51
2025-08-16 04:43
2025-08-16 03:55
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    3. Thickness The thickness of CGI sheets varies from 0.3 mm to 1.2 mm. Thicker sheets are generally recommended for roofs that require additional strength or are expected to bear heavy loads.


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    Additionally, many vintage metal lunch boxes featured slogans or phrases in both Chinese and English, reflecting a blend of cultures during a time of globalization. This not only catered to a broader audience but also highlighted a moment in history when cultural exchange was becoming more prevalent.


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