Detecting the effectiveness of lightning protection devices (down conductor, grounding device, lightning electromagnetic pulse shielding and surge protective device) in Blue sea ark Villa

Detecting the effectiveness of lightning protection devices (lightning arrester, equipotential bonding, lightning electromagnetic pulse shielding and soil resistivity) in the residential building of the International Wonderland

Detecting the effectiveness of lightning protection devices (grounding device, equipotential bonding, lightning electromagnetic pulse shielding and surge protective device) in the garden of the Tang Dynasty

Detecting the effectiveness of lightning protection devices (lightning arrester, surge protective device, lightning electromagnetic pulse shielding and soil resistivity) in V-04, V-06 multi-purpose land project in the core area of Tongzhou Canal

Detecting the effectiveness of lightning protection devices (down conductor, surge protective device, equipotential bonding and soil resistivity) in Qinglong Lake Country Community in Fengtai District

Detecting the effectiveness of lightning protection devices (lightning arrester, down conductor, grounding device and equipotential bonding) in the residential building of Hee Yue square in Fangshan District