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The idea to break the traditional umbrella umbrella concept, the use of inflatable umbrella principle and the perfect combination of compact and portable, not wet clothes and the floor. Just play 5 times the gas, lightweight umbrella is opened. When we want to close the umbrella, the bottom of the lightweight rotary gas release, umbrellas will be restitution.
Jiangxi University of Finance and
Economics
Nanchang, China
Shouwu Huang,
Jiangxi University of Finance and