Performance: Since the DLZ-12 compact design , small size , so according to the volume of requests into smaller ring from a drawer.

性能简介：由于DLZ-12设计结构紧凑，体积小，故能安装进体积要求较小的环网柜内。

youdao

DLZ pays much attention to the development of personnel's potentials, organizes various trainings regularly to promote their overall quality.

德利众非常注重开发员工潜能，定期开展各项培训，全面提升员工整体素质。

youdao

DLZ pays much attention to the development of personnel's potentials, organizes various trainings regularly to promote their overall quality.

德利众非常注重开发员工潜能，定期开展各项培训，全面提升员工整体素质。

youdao