- Contact：qingtao.li
- Tel：86-393-8853386
- Fax：86-393-8853389
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 Henan Yuan Bo Industries Limited headquarters located in the National Health cities, the Zhongyuan Oilfield is located -- Puyang City, Henan Province. Frequency is engaged in automation equipment sets, instruments, gauges production and marketing of high-tech private enterprises. Which has independent intellectual property rights CZK-II Series Intelligent Frequency control device (patent number : |
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