We are a leading factory specializing in the production of high-quality sewing machine accessories and spare parts. Our product range includes the innovative Interlock/flat lock sewing machine, designed with an auto thread trimmer for effortless trimming and efficient sewing. With our UT knife accessories, you can easily replace worn-out blades for flawless cutting performance. Choose from our extensive collection of SIRUBA original movable and fixed blades, crafted with precision for maximum durability. Additionally, our flat spring clamp spring ensures excellent tension control, aiding in professional stitch formation. Count on us for reliable, factory-made products that enhance your sewing experience.