Nunin samfur
Nau'in nunin kayan ado a cikin Huaxin
Huaxin yana da babban bincike na fasaha da ƙungiyar haɓaka da aka sadaukar don haɓaka masana'anta, fasaha, da inganci don samar da kewayon ɓarkewar agogo.
Akwatin Lantarki na katako