Is there a letter of introduction for independent recruitment of state-owned enterprises?

According to Wen Rui's inquiry. Com, when state-owned enterprises recruit personnel, they will ask candidates to write letters of introduction in the online application or qualification examination.

Letter of introduction is an applied style for introducing contact matters and one of the styles of applied writing research. It is a letter used by government organizations, enterprises and institutions to send people to other units to contact with work, understand the situation or participate in various social activities.