Introducing our high-quality interlock/flat lock sewing machine with auto thread trimmer devices, UT knife accessories spare parts, SIRUBA original movable blade, fixed blade, flat spring, clamp spring. As a factory, we take pride in offering products that are durable, efficient, and reliable. Our sewing machines boast innovative features such as automatic thread trimming, ensuring hassle-free sewing experiences. With the UT knife accessories spare parts, you can enhance the performance and durability of your machines. Our SIRUBA original movable blade, fixed blade, flat spring, clamp spring guarantee precise and efficient sewing operations. Trust in our factory for top-notch sewing machine accessories and spare parts.