2. Go to official website, the manufacturer of electronic products, and find the contact number. Call the manufacturer's human resources or human resources department. After simple communication, if the other party is interested in recruiting people for the position, they will ask for your resume. Remember, be sure to contact by phone, not just by email. General public mailboxes (some enterprises) are only cleaned once every few months.
If the other person reads your resume and thinks it's ok, arrange an interview.
Generally, the threshold of after-sales department of manufacturers is not very high, as long as they know some technology, have clear expression ability and have relatively standard Mandarin.