O le sapalai eletise DC fa'asologa DS o le poto masani lea a Yingjie Electric i le sapalai eletise SCR DC mo le tele o tausaga. Faatasi ai ma lona faatinoga sili ona lelei ma le mautu ma le faatuatuaina, e faaaogaina lautele i le electrolysis, electroplating, metallurgy, togafitiga o luga, ogaumu eletise tau alamanuia, tuputupu a'e tioata, tete'e i le ele o u'amea, fa'atumuina ma isi alamanuia.