J&R Heavy-Duty Telephone,Tunnel IP67 Telephone Weatherproof Telephone for Roadside APPLICATIONS:As a weatherproof telephone, it is fully contained within a corrosion resistan...
Hoist elevator is used more and more commonly in the construction field. Construction workers on different floors usually get help from person in hoist elevator by beating the st...
1. Restaurant Pager Bell Service Hotel calling system is widely used in the service area. It consist of table button for guest use and signal receiver fo...