Quanzhou Koqi Electronic Co., Ltd was established in 2000 which is specialized in researching, manufacturing and marketing of security and communication products. We have more than 200 products on hot sale to domestic China and oversea. Over the years, we have dedicated ourselves to provide good services and high-caliber products to our customers around the world.
waterproof emergency call button call bell can be hang on the neck 3.7V Lithium battery for nurse watch
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