how to use handheld tabletop crimping machine for perfume bottles crimper equipment

[@mameabdurezak5700]

I was buy this machine but when it crimping once time the crimping attached with bottle it not returned to firsts position

[@thebarry7467]

I’ve tried everything my bottles leak from the area where the crimp is done

[@TopcnChemicalMachineryCoLtd]

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