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Vmark International Limited
We are one of the leading power solution providers specializing in the manufacture and design of Voltage regulator,Stabilizer,UPS,Surge protector,Charger and other power electronic products.
http://www.vmarkpower.com/
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Kelong UPS
Kehua Group, a professional manufacturer of UPS and communication power supplies.
http://www.kehua.com.cn/
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