Gyroplane
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Material:aluminum alloy and glass fiber ()Only need short landing and take off distance ()Price competitive ()Multi function:for exercising,emergencies,communication,detecting,patrol,environmental pr
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Gyroplane
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Material:aluminum alloy and glass fiber ()Only need short landing and take off distance ()Price competitive ()Multi function:for exercising,emergencies,communication,detecting,patrol,environmental pr
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Monolithic Dome
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Material:reinforced concrete RC structure ()Low construction cost ()Disaster resistance:earthquake proof,wind resistance,fire resistance ()Energy efficient:save 50% heating and cooling costs ()Low ma
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