household switches & sockets, porcelain socket& lampholders,
bakelite & urea lampholder, plug& socket & outlet,
copper & iron lampholders, door chimes& alarm system,
emergency & night light & photocontrols, neon lamp & indicator lamp,
wiring devices & accessories, insulating material,
automatic control components, power cord& extension wire, ventilating fan,
and all kind of lamp.