Quality Management is the most important production process. According to IATF quality control system, QC team has to control the quality of each steps during the production. From incoming material, they will be inspected the specification once they arrive in NJK. Through the precision instruments, NJK can make sure the material is compliant with the request from customers. During production, the operators have to fill self-inspection form to ensure the quality and the QC team will do sampling inspection twice in each shift. Before dispatch, the products will be inspected the critical dimensions and appearance totally. NJK is certified by IATF to guarantee delivering the best quality products to customers stably.