Long Run is positioned as a "differentiated and sustainable fashion yarn professional service provider" and a leader in value innovation in the field of new material yarns in the textile industry. Over the years, with the help of digital tools, Long Run has explored and enhanced the functional characteristics and multiple values of differentiated yarns, while meeting customers' demands for sustainability.We have two major segments: white yarn and melange yarn spinning, our products are widely used in knitted underwear, outdoor leisure, shoe materials, outdoor protection and other fields.

As a leading professional service provider of differentiated and sustainable fashion yarn in the industry, Long Run takes siro compact and sirofil-compact spinning as its core spinning technology, focuses on the innovation of functional and environmentally friendly yarns, and continues to provide industrial chain partners with high-quality yarns with unique performance, rich functions and sustainable fashion, creative planning and trend guidance services, enabling customers to innovate and upgrade products.

Staple filament covered yarn is based on the siro spinning, it puts a filament feed device and changed one roving into filament in the siro spinning machine. This filament is fed from front jaw and keep certain distance with other roving, then become the normal yarn by twisting together.

Our company's compact-soft spinning technology integrates the dual technologies of Siro compact spinning and staple filament covered yarn. Compared with ordinary staple filament composite yarns, it adds a fiber strand aggregation zone, resulting in yarns that are smoother and more compact. Currently, this technology of our company has reached a domestic leading level, with a production scale of approximately 30,000 spindlesSirofil is smoother and more compact than traditional siro spinning. Sirofil-compact spinning Technology yarn is a new filament & staple fiber blend that is close to perfection. It unleashes potential of traditional textile materials, unlock more outstanding properties.

GoodShapeRetention , Flexibility &Abrasion Resistance , Comfortable and Breathability , Anti-snagging , Resistant , Smooth Surface with Luster , Antishedding , Anti-pilling , Fabric mechanical stretch