1. The presser foot, needle plate and teeth use high-end accessories, which are the same as the double-step and single-step. 2. Choose the bobbin case with shrapnel, the stitch is more stable. 3. The shock-proof pad and rubber parts are made of authentic Dingqing rubber material, which has better shock-proof effect and will not harden for a long time. 4. The retaining ring and shaft sleeve are original parts of Juki. 5. The panel pad and the rear window pad are made of polymer gaskets, no glue is needed, clean and beautiful, and easy to maintain. 6. The needle bar sleeve is made of red copper copper sleeve. 7. The whole system adopts No. 15 white oil. 8. New industrial design, exclusive appearance, more reasonable structure and more ergonomic. 9. Various colors can be customized. 10. The electronic control power cord adopts aerial docking to meet the different needs of various countries