About 15 days. The process of papermaking is very complicated, involving the operation of multiple positions. Therefore, paper mills require employees to have certain professional knowledge, skills and literacy to be competent. In response to this requirement, the manufacturer will conduct standardized training for about 15 days, including basic knowledge of paper production, operation skills, safety training, quality control and other aspects, to ensure that employees can successfully take up their posts, be competent for their work and constantly improve.