
Cotton Yarn Making Machine Spare Parts Super-Polished Steel Ring Cup. Super-Polished Steel Material: Made of metal with precision finishing and micro-hardness of HV830 to 850. Long Service Life: Abrasion resistant with a lifespan reaching 3 to 5 years for stable yarn quality. High Speed Spinning Compatible: Designed for high speed spinning with low breakage rate and short run-in period. Yarn Quality Improvement: Reduces filoplume and end breakage, heightening yarn quality and spinning efficiency. Compact Structure Design: Features compact and refined Martensitic structure for superior performance. Versatile Fiber Application: Suitable for spinning cotton, chemical fiber, and various blended fibers. ISO Certified Manufacturer: Tongda Group holds ISO9001, ISO14001, and ISO13485 certifications. Global Logistics Support: Efficient global logistics network with ports in Qingdao, Shanghai, and Ningbo.