After checking all links of parts e

After checking all links of parts entering the factory, RDC stock transportation, general assembly and debugging, the main causes of tank scratches are: 1. Scratches caused by the production and transportation process of parts suppliers, accounting for 10%; 2. Scratches caused by RDC stock, accounting for 1%; 3. Scratches caused by improper operation during debugging, accounting for 1%; 4. No scratches found during assembly (see troubleshooting for details) Record form); unify the standard of oil tank through each link and strictly implement the principle of "three no", so that the problem of oil tank scratch can be controlled. The problems found in the investigation have been fed back to relevant departments for control. Follow up the data of qiantai, PDI and audit in the later stage