He will ask you for information. You give the forms, photos, employment certificates and other information to Taiwan Province Province.
Some time ago, a company in Taiwan Province Province regarded the job as a training application.
It's much more difficult now.
The company in Taiwan Province Province will send you a copy of your information, and after the examination and approval, there will be a mainland pass to and from Taiwan.
You take this certificate to the Exit-Entry Administration of the public security department where your account is located to apply for an exit certificate similar to a passport.
Then we can have direct flights between the two sides.