Has 16 international patents and more than 10 software copyright
YDFK smart capacitor switching switch 4.0
YDTSCL-△-45 contactless switching switch
YDFK smart capacitor switching switch 2.0
YDK-TSCH dynamic switching switch
E-mail: 
Tel: 400-8262-889
Fax: 0577-85600699
Contact: Mr. Ji
