I have found that some skills, processes and trades are universal. You don't need to speak the local language fluently you simply speak the language of that skill to someone competent in that, skill, process, or trade. Of course, you need to be competent yourself touse that universal language.
OP you could try this place. https://maps.app.goo.gl/fWfzNzLMG92bEukU6
The kitchen equipment fab shops on Rama IV all seem to be gone.