The special line access methods mainly include E1, SDH, ATM, FR, etc. The advantages of special line access mainly include line stability, high bandwidth, and high security; The disadvantage is that the customer base is limited, and it is difficult for general customers to accept the expensive price of the dedicated line.
Ningbo GDoor three/four-wing Automatic Revolving Door is the other revolving door category in Ningbo GDoor revolving door family. Three/four-wing automatic revolving doors is elegant and economical. Except for the entry and exit of busy passing traffic, GDoor three/four-wing revolving doors marks the highest standards in wind-proofing, dustproofing, warm-proofing and energy-saving aspects, which exceeds customers' and architects' expectations. Ningbo GDoor three/four-wing automatic revolving doors come in two driving models: top driving and underground driving.
Three/Four-Wing Automatic Revolving Door Set Three/Four-Wing Automatic Revolving Door Set,Security Revolving Doors Set,Glass Revolving Door Set,Darkroom Revolving Door Set Ningbo Gdoor System Control Technology Co., Ltd. , http://www.gdoor-cn.com