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Serene Electronic Co.,Ltd
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About Us
We are Dongguan serene electronic co.,ltd established in 1995,belonged to Taiwan Serene Electronic Industrial Co.,ltd which have about 25 years history. It is a professional manufacturer and exporter mainly in the design, development research and produce of water powerd clock and calculator. The water power clock and calculator use the water power battery (it is produced by our own company and we have the patent in most of the developed country) to drive instead of the normal battery ,it is ...
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Water Power Clock is an innovative product using water as energy for digital ...
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Water Power calculator is an innovative product using water as energy for ...
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Water Power Clock and calculator is an innovative product using water as ...
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Water Power Clock and calculator is an innovative product using water as ...
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