There is no special industry standard in the automobile industry, and the standards of the machinery industry must be used. You should download the standardized grading standards of the mechanical industry, make the grading items one by one and provide the materials he needs. For example, if he needs a certain system, you can make a certain system. If he needs a list, you can make a list and fill it in. If there is any need at the site, you can communicate with the leader for on-site rectification.