Shanghai Wafer Microelectronics Co., Ltd. was built up in 2006. We are acknowledged as the leader in the development, manufacturing and distribution of sensor series for automatic doors and coin acceptors for vending machines in our local market. We also get a constant increase in the world market.

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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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