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This liguid glue bottle of bottom have a 15° cant .Cant bottom have a seal of export.When the glue is left a few ,Can be hard to be used up. Thus cause waste.The 15° cant let liquid adhesives are concentrated in the bottom of the export.And then ripped off the bottom of the plastic film. Through the bottom of the export at the bottom of the liquid glue can be used up. To achieve the purpose of saving.
Wei Gu . Dong Yang . Fukai Yan . Lei Fang