By spring transfer system, ATS canbe absolutely and correctly transferred. There will be NO unattached situation in any circumstance.B? chuy?n ??i ngu?n ATS Osung ???c s?n xu?t b?i th??ng Hello?u Osung ??n t? Hàn Qu?c nay th??ng hi?u OSUNG ???c chuy?n ??i thành th??ng hi?u OSEMCO.S? d?ng cho h? th?ng ?i?n h? th? khi ngu?n c?p ph? t?i b? gián ?