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caviar tin testing after vacuum packing(put caviar tin into water)

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Update time : 2017-11-17 11:53:10
caviar tin vacuum degree testing video
put caviar tin into water
testing paper will change colour after meeting water  

Check the paper testing video
testing paper will change colour after meeting water  

Check  caviar tin vacuum degree video
put testing paper into caviar tin
put caviar tin into water
Testingpaper do not change colour and our vacuum packing machine is excellent

it can also pack caviar glass jar 

machine details

multepak packaging nantong corporation
if you want to know price and details please     
contact    viber/skype/phone/wechat/whatsapp     008618932209347       email 
caviar vacuum closing packaging sealing machinery tin sealer