dear hassan bhai
very sorry to hear ur loss, Alhamdollila Allah save from bigger loss.
may i request you to pls share some pics for better understanding as may be u dont need to replace bumper and existing bumper also in good shape and repairable.
i have experience 3s dealers charge much higher
recently i got repaired /repainted my vitz's broken back bumper from
jail road and u can see work in person any time at my place in lahore cantt area
here is link for the pics https://www.pakwheels.com/forums/members-member-rides/210937-bilori-25
and here final pics after finishing work https://www.pakwheels.com/forums/members-member-rides/210937-bilori-26
overall 3 different parties involved in this repair work
1) bumper repair
personaly not satisfied with quality of work so to u will ref another person for this task
2) paint work
satisfy with base work, color matching
3) dc studio
for finishing work like wet sanding, different compounds, polishes , sealants
extremely satisfy with the work