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Dongguan,Guangdong,China China
联系人 Lucky Zhao
办公地址 Dongguan, Guangdong
electronic block bricks good assistant for students to learn physics good gifts for children to be happy e
Educational toys electronic kits own patent , own designer engineer more than thousands of circuits assembly
electronic educational kit own patent , own designer engineer more than thousands of circuits assembly eco-
educational toys electronic kits good assistant for students to learn physics good gifts for children to be
electronic circuit educational block own patent brand , original factory many different assembled circuits
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