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Power relay,PCB relay,Miniature Relay,Solid State Relay,China Naidian group co.,ltd.
Power relay,PCB relay,Miniature Relay,Solid State Relay's manufacturer,relay is an electrical switch that opens and closes under the control of another electrical circuit. In the original form, the switch is operated by an electromagnet to open or close one or many sets of contacts. Established in1989, With a 20-plus year history of leadership,Naidian Group Co.,Ltd. located in China Electric...
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