#Industry News
the project ”Taiping Road Tunnel, Mudanjiang, Heilongjiang”use KNTECH BRAND SOS telephone KNSP-01.
Waterproof Telephone KNSP01 is Used exclusively for tunnels ,Emergency Roadside ,
the project ”Taiping Road Tunnel, Mudanjiang, Heilongjiang”use KNTECH BRAND SOS telephone KNSP-01.