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Brief description of the production process of the vacuum flask - Bulging
Oct 16, 2018

Brief description of the production process of the vacuum flask - Bulging


Use a large press, which can be carried out according to the "Water Expansion Operation Guide". It requires attention to concentrate. It is the tube weld of the outer casing that corresponds to the joint of the mold. Always pay attention to whether the pit, size and shape of the product meet the requirements. .

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