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bopp printing roller
Selling leads
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..., and higher critical speed. It is used in a wide range of fields including separators for rechargeable batteries, optical applications, films in ...
2025-08-01 00:23:18
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... ,Optical Film and Battery Separator Film ,which plays a crucial role in the cooling and solidification of the molten polymer when it is transforme...
2025-08-01 00:23:18
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