cai bac tran duy khuong dot truoc co co mua 200k ssh.noi buoi sang goi gium lít chung nao het thi thoi.ma bac chang them goi pm bac moi goi cho vai tram.ip bac cung trung nhiu.thay bac lam an the cung chan chung thiet pm nua lam j.chan kieu lam an cua bac