Changzhou Bonwin Technology Co., Ltd Bonwin Technology Co., Ltd, founded in 2003, is located in the south of Yangtze River which is a picturesque place gathering many human talents. Since establishment, Bonwin has been focusing on the development and application of Hotel Room Intelligent Management

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Fujian ChainFun Electronic Technology Co., Ltd (is a wholly-owned subsidiary of Fujian MoreFun Electronic Technology Co. Ltd. ), which is specialized in the design, development and manufacturing of quality smart lock products to secure your home or business. ChainFun continues to innovates new

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