sos motorvejstelefon

SIP visuel nødtelefon

2022-07-21

SIP Visual Emergency Telephone is specially used for outdoor emergency telephone, pick the machine can automatically call the emergency phone...

CXHT kvartalsvise arbejdsmøde

2022-07-13

Den 12. juli 2022 blev CXHT kvartalsmøde med succes afholdt i konferencelokalet. Alle Changdian-ansatte deltog i...

Outdoor Emergency Telephone

2022-06-29

Our SOS emergency speakerphone is a phone dedicated to the indoor industry. The telephone is sturdy and durable, and the...

Vagttelefon SOS Industritelefon

2022-06-24

Constructed from molded bulk molding compound, this unique rugged handset is specifically designed to withstand tough use in all environments,...

Vindkraftværk Nødtelefon Radiosystem

2022-06-15

Vindkraftværket er normalt installeret på fjerntliggende steder, farlige naturlige forhold og stor temperaturforskel. Da udstyret gik i stykker...

Certificering

2022-06-15

Xinjiang G575 North Projects

2022-06-08

Xinjiang G575 er omkring 76,5 kilometer, vejene krydser øst-Tianshan fra nord til syd. Forsyningstunnelen Nødtelefoner var...

Eksplosionssikker nødtelefon

2022-06-01

Explosion-proof phone is a waterproof, explosion-proof VoIP phone specially designed for hazardous area communication. The explosion-proof telephone uses heavy metal...

How long for the warranty?

2022-05-27

We guaranty 24 months for products, usually, we will provide 3% free of cost accessories for each batch order. And...