According to the IATF16949:2016 quality system standard clauses, the company has established a quality management system from management to operation positions, with the guiding ideology of "customer orientation, quality-based, full participation, brand building", and in accordance with the requirements of quality management system documents and operation instructions, product design, raw material procurement, parts processing, finished product assembly, product inspection test and delivery. Effective quality control was carried out in the whole process.