Respected,
I have reviewed your requirement and attached files. Note that I had ERP experienced since 12+ years.
For desktop app, its fast and many Operating System supported, with multi language support.
I can extract data from ERP with any secured protocol you prefer or REST API.
Pull in desktop application, which UI very much attractive and faster & easy to migrate.
I manage modern architecture, so you can upload all new release on cloud, people can download latest version automatic. Like modern upgrade features in desktop. Like Adobe XD use.
As well share documentation of desktop App, so you can use for long run.
I had 6 years of ERP product development experienced so help you best way to deal the project.
Give you bitbucket revision control access, so you have always code access.
Will respect your term and agreement as you conduct for code and sales.
Looking for prompt response to discuss your requirement in detail and over google/zoom meet.
We charge for best quality work, deliver best quality product & long run relationship.
Feel free to contact us, we are happy to serve you.
Regards,
Tejas T