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2018-04-23

Safety Supervision Work Survey!

  Longyuan News: Today's Anhui Quality Supervision Bureau, the Supervision Department and t...
2018-01-09

About the recent discovery of fake ...

      Recent customer response, ***** companies - theft, counterfeit our products and...
2018-01-09

Analysis and solution of common app...

      The micro-power DC-DC power module is widely used in circuit design with multip...
2018-01-09

How to adjust the electric car char...

      Then carefully remove the transformer, and note the number of turns of each win...
2017-11-24

Temperature compensation charger pr...

      Electric bicycle charger with temperature compensation function, including rect...
2017-11-24

Electric car charger works

       220v AC T0 bidirectional filter to suppress interference, D1 rectified pu...
2017-11-24

Dual-power automatic switch the wor...

       Backup power if there is power, called "hot spare." Important users shoul...
2016-11-03

Warmly celebrate Longyuan electroni...

       Warmly celebrate Longyuan electronic website officially launched!...
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