ROONSH has specially introduced the world-leading RNSH-VE series of closed circuit uninterrupted changeover switches in ···... 
Relying on ROONSH's world-leading ATS technology, ROONSH has won the bid among dozens of ATS manufacturers bidding f···... 
ROONSH plans to build up a factory in New Zealand and put it into operation in two years. It also plans to set up a new ···... 
With the rapid development of social science and technology, the requirement on ATS switching time has becoming increasi···...