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Zhengzhou changkuan technology co., ltd

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Address: 2nd Floor,11th Building,Zhengzhou Mechanical and Electrical City,Bosong Road,Zhengzhou 450000,China Postcode: Telphoe: 0086-371-63769919 Mobile: Fax: 0086-371-55057218 Website: www.changkuantech.com E-mail: Contact: Betty Ann