You don't need to research any further. I wasted my time chatting with absolute bums on carousel and elsewhere who quoted me ridiculous rates. Below are the cheapest and good workmanship. You send them the pics of your car on where you need the touching up and audio message them your enquiry via whatsapp. They will give you quote and estimated downtime.
1) Uncle Song - 96258308.
Ong Tian Sang Sembawang Motor Repair
Blk 1017 Yishun Industrial Park A #01-252 S(768759).
2) Uncle Loo - 96785087.
Leong boon loo motor services
Blk 9002 Tampines Street 93 #01-68 Tampines Industrial Park A S(528836)
1 of the shop here is good in talking (shall not give name) since only 2 listed
earn from insurance claim via inflated -> normal in the industry
didnt took rental car, but the rental claim also doesn't return after more than 1 year of chasing
see him uncle close one yet, but still guess that sum up this person
