By spring transfer system, ATS canbe fully and perfectly transferred. There'll be NO unattached posture in almost any circumstance.B? chuy?n ??i ngu?n ATS Osung ???c s?n xu?t b?i th??ng hi?u Osung ??n t? Hàn Qu?c nay th??ng Hello?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 ?o?