Detecting the effectiveness of lightning protection devices (lightning arrester, grounding device, down conductor and surge protective device)in Ziguang Development Building

Detecting the effectiveness of lightning protection devices (surge protective device, equipotential bonding, lightning electromagnetic pulse shielding and soil resistivity)in Maple Blue International Centre

Detecting the effectiveness of lightning protection devices (down conductor, grounding device, equipotential bonding and lightning electromagnetic pulse shielding)in Jintai International Building