According to this article a MHI sale team have been in Jakarta since last year.
Excerpts.
"The same applies to a separate deal with Japan, which had a sales team ensconced in Jakarta for much of last year seeking to sell the Indonesians eight stealthy Mogami-class multi-mission frigates at an overall cost of $3.6 billion.
Under a provisional plan, Mitsubishi and Mitsui were to deliver four of the 5,000-tonne vessels, beginning in late 2023, and for the other four to be built by PAL in what would have been the biggest-ever arms deal between the two countries."
JAKARTA – Indonesia is embarking on a program to modernize its navy and build up a more effective deterrent to confront future incursions by Chinese ships
asiatimes.com