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This is a sea rescue tool,can be used as a buoy floating on the sea,also can be used together with the hull,or made into prevent shark into.bring the chance of survival to the users.he is much cheaper than other products.production process simple,using the functional diversity,combined with common products make it great.
Shenzhen institute of technician
Shenzhen city, guangdong province,, China
Long Liu,
Shenzhen institute of technician
