YT0638 Telephone adapter
YT0635 divisional control
YT0618 Alarm signal generator
Drilling special Phone Station (intercom terminal)
Explosion-proof IP Amplification Phone Station
Drilling wireless IP Amplifying Intercom System
Drilling network amplifying intercom system
Explosion-proof FM Radio System
Oil field Explosion-proof Amplifying Intercom System.
Explosion proof propaganda system BHH-50
BYS-15 Explosion Proof Loudspeaker
YT0615 Waterproof Explosion-proof Corrosion proof Speaker
Telephone：400-756-0186
Fax：0377-63235296
E-mail：yitongex@163.com
Address：Funiu road eco industrial park, Nanyang City, Henan Province, China