Why we produce the voltage stabilizers?

When electricity be found, people came to a nice future. And to make a better world, some uniform standards have established.

2018-04-12

Johsun's new office for commercial activities has opened

On April 1st, 2016, Johsun's new office has been opened. The all members of marketing & sales department, moved into new office after one week.

2018-04-12