Process is u have to apply to get visa first. If u have visa. U can apply dtv dependent visa for ur children. U need birth certificate of them and family certificate and a sponsorship letter for them and bank statement
and there u have to choose the embassy u want to apply. Example if u are now at HCMC. U choose the HCMC. If ur Hanoi u choose Hanoi. If Laos u choose Laos
U have to apply to get DTV first. After u got dtv. Ur spouse and children can apply under ur dtv visa number. U need marriage certificate for spouse and birth certificate and family certificate for child. U also need bath
excuse me sir. I also want to buy an insurance for my Car MAZDA CX5 2019 model. What is the minimum insurance .? i ask some compant they recommand to buy around