Menene Hikimar Ci Gaban Kasuwancin Hasken LED mai zafi Don Yin?
Fitilar filin wasa na LED a matsayin wani muhimmin bangare na hikimar birnin, wanda ya tashi daga sodium na gargajiya zuwa fitilun LED, fitilun LED mai kaifin baki, sannan juyin halittar hikimar titi. backpfrontp masana'antu b
duba daki-daki